21013340544

素因数分解:

$2^7\times 3^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{18481}}^1$

素因数の和:18558

約数の個数: 256

約数和(自身を含む): 72390297600

約数和(自身を除く): 51376957056

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 47, 48, 54, 56, 63, 64, 72, 84, 94, 96, 108, 112, 126, 128, 141, 144, 168, 188, 189, 192, 216, 224, 252, 282, 288, 329, 336, 376, 378, 384, 423, 432, 448, 504, 564, 576, 658, 672, 752, 756, 846, 864, 896, 987, 1008, 1128, 1152, 1269, 1316, 1344, 1504, 1512, 1692, 1728, 1974, 2016, 2256, 2538, 2632, 2688, 2961, 3008, 3024, 3384, 3456, 3948, 4032, 4512, 5076, 5264, 5922, 6016, 6048, 6768, 7896, 8064, 8883, 9024, 10152, 10528, 11844, 12096, 13536, 15792, 17766, 18048, 18481, 20304, 21056, 23688, 24192, 27072, 31584, 35532, 36962, 40608, 42112, 47376, 54144, 55443, 63168, 71064, 73924, 81216, 94752, 110886, 126336, 129367, 142128, 147848, 162432, 166329, 189504, 221772, 258734, 284256, 295696, 332658, 379008, 388101, 443544, 498987, 517468, 568512, 591392, 665316, 776202, 868607, 887088, 997974, 1034936, 1137024, 1164303, 1182784, 1330632, 1552404, 1737214, 1774176, 1995948, 2069872, 2328606, 2365568, 2605821, 2661264, 3104808, 3474428, 3492909, 3548352, 3991896, 4139744, 4657212, 5211642, 5322528, 6080249, 6209616, 6948856, 6985818, 7096704, 7817463, 7983792, 8279488, 9314424, 10423284, 10645056, 12160498, 12419232, 13897712, 13971636, 15634926, 15967584, 16558976, 18240747, 18628848, 20846568, 21290112, 23452389, 24320996, 24838464, 27795424, 27943272, 31269852, 31935168, 36481494, 37257696, 41693136, 46904778, 48641992, 49676928, 54722241, 55590848, 55886544, 62539704, 63870336, 72962988, 74515392, 83386272, 93809556, 97283984, 109444482, 111181696, 111773088, 125079408, 145925976, 149030784, 164166723, 166772544, 187619112, 194567968, 218888964, 223546176, 250158816, 291851952, 328333446, 333545088, 375238224, 389135936, 437777928, 447092352, 500317632, 583703904, 656666892, 750476448, 778271872, 875555856, 1000635264, 1167407808, 1313333784, 1500952896, 1751111712, 2334815616, 2626667568, 3001905792, 3502223424, 5253335136, 7004446848, 10506670272, 21013340544]

約数ペア:

[(1, 21013340544), (2, 10506670272), (3, 7004446848), (4, 5253335136), (6, 3502223424), (7, 3001905792), (8, 2626667568), (9, 2334815616), (12, 1751111712), (14, 1500952896), (16, 1313333784), (18, 1167407808), (21, 1000635264), (24, 875555856), (27, 778271872), (28, 750476448), (32, 656666892), (36, 583703904), (42, 500317632), (47, 447092352), (48, 437777928), (54, 389135936), (56, 375238224), (63, 333545088), (64, 328333446), (72, 291851952), (84, 250158816), (94, 223546176), (96, 218888964), (108, 194567968), (112, 187619112), (126, 166772544), (128, 164166723), (141, 149030784), (144, 145925976), (168, 125079408), (188, 111773088), (189, 111181696), (192, 109444482), (216, 97283984), (224, 93809556), (252, 83386272), (282, 74515392), (288, 72962988), (329, 63870336), (336, 62539704), (376, 55886544), (378, 55590848), (384, 54722241), (423, 49676928), (432, 48641992), (448, 46904778), (504, 41693136), (564, 37257696), (576, 36481494), (658, 31935168), (672, 31269852), (752, 27943272), (756, 27795424), (846, 24838464), (864, 24320996), (896, 23452389), (987, 21290112), (1008, 20846568), (1128, 18628848), (1152, 18240747), (1269, 16558976), (1316, 15967584), (1344, 15634926), (1504, 13971636), (1512, 13897712), (1692, 12419232), (1728, 12160498), (1974, 10645056), (2016, 10423284), (2256, 9314424), (2538, 8279488), (2632, 7983792), (2688, 7817463), (2961, 7096704), (3008, 6985818), (3024, 6948856), (3384, 6209616), (3456, 6080249), (3948, 5322528), (4032, 5211642), (4512, 4657212), (5076, 4139744), (5264, 3991896), (5922, 3548352), (6016, 3492909), (6048, 3474428), (6768, 3104808), (7896, 2661264), (8064, 2605821), (8883, 2365568), (9024, 2328606), (10152, 2069872), (10528, 1995948), (11844, 1774176), (12096, 1737214), (13536, 1552404), (15792, 1330632), (17766, 1182784), (18048, 1164303), (18481, 1137024), (20304, 1034936), (21056, 997974), (23688, 887088), (24192, 868607), (27072, 776202), (31584, 665316), (35532, 591392), (36962, 568512), (40608, 517468), (42112, 498987), (47376, 443544), (54144, 388101), (55443, 379008), (63168, 332658), (71064, 295696), (73924, 284256), (81216, 258734), (94752, 221772), (110886, 189504), (126336, 166329), (129367, 162432), (142128, 147848)]