21521376

素因数分解:

$2^5\times 3^4\times {\mathrm{19}}^2\times {\mathrm{23}}^1$

素因数の和:83

約数の個数: 180

約数和(自身を含む): 69704712

約数和(自身を除く): 48183336

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 23, 24, 27, 32, 36, 38, 46, 48, 54, 57, 69, 72, 76, 81, 92, 96, 108, 114, 138, 144, 152, 162, 171, 184, 207, 216, 228, 276, 288, 304, 324, 342, 361, 368, 414, 432, 437, 456, 513, 552, 608, 621, 648, 684, 722, 736, 828, 864, 874, 912, 1026, 1083, 1104, 1242, 1296, 1311, 1368, 1444, 1539, 1656, 1748, 1824, 1863, 2052, 2166, 2208, 2484, 2592, 2622, 2736, 2888, 3078, 3249, 3312, 3496, 3726, 3933, 4104, 4332, 4968, 5244, 5472, 5776, 6156, 6498, 6624, 6992, 7452, 7866, 8208, 8303, 8664, 9747, 9936, 10488, 11552, 11799, 12312, 12996, 13984, 14904, 15732, 16416, 16606, 17328, 19494, 19872, 20976, 23598, 24624, 24909, 25992, 29241, 29808, 31464, 33212, 34656, 35397, 38988, 41952, 47196, 49248, 49818, 51984, 58482, 59616, 62928, 66424, 70794, 74727, 77976, 94392, 99636, 103968, 116964, 125856, 132848, 141588, 149454, 155952, 188784, 199272, 224181, 233928, 265696, 283176, 298908, 311904, 377568, 398544, 448362, 467856, 566352, 597816, 672543, 797088, 896724, 935712, 1132704, 1195632, 1345086, 1793448, 2391264, 2690172, 3586896, 5380344, 7173792, 10760688, 21521376]

約数ペア:

[(1, 21521376), (2, 10760688), (3, 7173792), (4, 5380344), (6, 3586896), (8, 2690172), (9, 2391264), (12, 1793448), (16, 1345086), (18, 1195632), (19, 1132704), (23, 935712), (24, 896724), (27, 797088), (32, 672543), (36, 597816), (38, 566352), (46, 467856), (48, 448362), (54, 398544), (57, 377568), (69, 311904), (72, 298908), (76, 283176), (81, 265696), (92, 233928), (96, 224181), (108, 199272), (114, 188784), (138, 155952), (144, 149454), (152, 141588), (162, 132848), (171, 125856), (184, 116964), (207, 103968), (216, 99636), (228, 94392), (276, 77976), (288, 74727), (304, 70794), (324, 66424), (342, 62928), (361, 59616), (368, 58482), (414, 51984), (432, 49818), (437, 49248), (456, 47196), (513, 41952), (552, 38988), (608, 35397), (621, 34656), (648, 33212), (684, 31464), (722, 29808), (736, 29241), (828, 25992), (864, 24909), (874, 24624), (912, 23598), (1026, 20976), (1083, 19872), (1104, 19494), (1242, 17328), (1296, 16606), (1311, 16416), (1368, 15732), (1444, 14904), (1539, 13984), (1656, 12996), (1748, 12312), (1824, 11799), (1863, 11552), (2052, 10488), (2166, 9936), (2208, 9747), (2484, 8664), (2592, 8303), (2622, 8208), (2736, 7866), (2888, 7452), (3078, 6992), (3249, 6624), (3312, 6498), (3496, 6156), (3726, 5776), (3933, 5472), (4104, 5244), (4332, 4968)]