21977317544

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^2\times {\mathrm{563}}^1$

素因数の和:704

約数の個数: 192

約数和(自身を含む): 53809660800

約数和(自身を除く): 31832343256

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 29, 43, 52, 56, 58, 86, 91, 104, 116, 172, 182, 203, 232, 301, 344, 364, 377, 406, 559, 563, 602, 728, 754, 812, 1118, 1126, 1204, 1247, 1508, 1624, 1849, 2236, 2252, 2408, 2494, 2639, 3016, 3698, 3913, 3941, 4472, 4504, 4988, 5278, 7319, 7396, 7826, 7882, 8729, 9976, 10556, 12943, 14638, 14792, 15652, 15764, 16211, 16327, 17458, 21112, 24037, 24209, 25886, 29276, 31304, 31528, 32422, 32654, 34916, 48074, 48418, 51233, 51772, 53621, 58552, 64844, 65308, 69832, 96148, 96836, 102466, 103544, 107242, 113477, 114289, 129688, 130616, 168259, 169463, 192296, 193672, 204932, 212251, 214484, 226954, 228578, 314717, 336518, 338926, 375347, 409864, 424502, 428968, 453908, 457156, 629434, 673036, 677852, 697073, 702061, 750694, 849004, 907816, 914312, 1040987, 1258868, 1346072, 1355704, 1394146, 1404122, 1485757, 1501388, 1698008, 2081974, 2203019, 2517736, 2788292, 2808244, 2971514, 3002776, 4163948, 4406038, 4879511, 4914427, 5576584, 5616488, 5943028, 7286909, 8327896, 8812076, 9126793, 9759022, 9828854, 11886056, 13532831, 14573818, 17624152, 18253586, 19518044, 19657708, 27065662, 29147636, 30188623, 36507172, 39036088, 39315416, 54131324, 58295272, 60377246, 63887551, 73014344, 94729817, 108262648, 120754492, 127775102, 189459634, 211320361, 241508984, 255550204, 378919268, 392452099, 422640722, 511100408, 757838536, 784904198, 845281444, 1569808396, 1690562888, 2747164693, 3139616792, 5494329386, 10988658772, 21977317544]

約数ペア:

[(1, 21977317544), (2, 10988658772), (4, 5494329386), (7, 3139616792), (8, 2747164693), (13, 1690562888), (14, 1569808396), (26, 845281444), (28, 784904198), (29, 757838536), (43, 511100408), (52, 422640722), (56, 392452099), (58, 378919268), (86, 255550204), (91, 241508984), (104, 211320361), (116, 189459634), (172, 127775102), (182, 120754492), (203, 108262648), (232, 94729817), (301, 73014344), (344, 63887551), (364, 60377246), (377, 58295272), (406, 54131324), (559, 39315416), (563, 39036088), (602, 36507172), (728, 30188623), (754, 29147636), (812, 27065662), (1118, 19657708), (1126, 19518044), (1204, 18253586), (1247, 17624152), (1508, 14573818), (1624, 13532831), (1849, 11886056), (2236, 9828854), (2252, 9759022), (2408, 9126793), (2494, 8812076), (2639, 8327896), (3016, 7286909), (3698, 5943028), (3913, 5616488), (3941, 5576584), (4472, 4914427), (4504, 4879511), (4988, 4406038), (5278, 4163948), (7319, 3002776), (7396, 2971514), (7826, 2808244), (7882, 2788292), (8729, 2517736), (9976, 2203019), (10556, 2081974), (12943, 1698008), (14638, 1501388), (14792, 1485757), (15652, 1404122), (15764, 1394146), (16211, 1355704), (16327, 1346072), (17458, 1258868), (21112, 1040987), (24037, 914312), (24209, 907816), (25886, 849004), (29276, 750694), (31304, 702061), (31528, 697073), (32422, 677852), (32654, 673036), (34916, 629434), (48074, 457156), (48418, 453908), (51233, 428968), (51772, 424502), (53621, 409864), (58552, 375347), (64844, 338926), (65308, 336518), (69832, 314717), (96148, 228578), (96836, 226954), (102466, 214484), (103544, 212251), (107242, 204932), (113477, 193672), (114289, 192296), (129688, 169463), (130616, 168259)]