21462168

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{317}}^1$

素因数の和:377

約数の個数: 128

約数和(自身を含む): 68382720

約数和(自身を除く): 46920552

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 31, 39, 42, 52, 56, 62, 78, 84, 91, 93, 104, 124, 156, 168, 182, 186, 217, 248, 273, 312, 317, 364, 372, 403, 434, 546, 634, 651, 728, 744, 806, 868, 951, 1092, 1209, 1268, 1302, 1612, 1736, 1902, 2184, 2219, 2418, 2536, 2604, 2821, 3224, 3804, 4121, 4438, 4836, 5208, 5642, 6657, 7608, 8242, 8463, 8876, 9672, 9827, 11284, 12363, 13314, 16484, 16926, 17752, 19654, 22568, 24726, 26628, 28847, 29481, 32968, 33852, 39308, 49452, 53256, 57694, 58962, 67704, 68789, 78616, 86541, 98904, 115388, 117924, 127751, 137578, 173082, 206367, 230776, 235848, 255502, 275156, 346164, 383253, 412734, 511004, 550312, 692328, 766506, 825468, 894257, 1022008, 1533012, 1650936, 1788514, 2682771, 3066024, 3577028, 5365542, 7154056, 10731084, 21462168]

約数ペア:

[(1, 21462168), (2, 10731084), (3, 7154056), (4, 5365542), (6, 3577028), (7, 3066024), (8, 2682771), (12, 1788514), (13, 1650936), (14, 1533012), (21, 1022008), (24, 894257), (26, 825468), (28, 766506), (31, 692328), (39, 550312), (42, 511004), (52, 412734), (56, 383253), (62, 346164), (78, 275156), (84, 255502), (91, 235848), (93, 230776), (104, 206367), (124, 173082), (156, 137578), (168, 127751), (182, 117924), (186, 115388), (217, 98904), (248, 86541), (273, 78616), (312, 68789), (317, 67704), (364, 58962), (372, 57694), (403, 53256), (434, 49452), (546, 39308), (634, 33852), (651, 32968), (728, 29481), (744, 28847), (806, 26628), (868, 24726), (951, 22568), (1092, 19654), (1209, 17752), (1268, 16926), (1302, 16484), (1612, 13314), (1736, 12363), (1902, 11284), (2184, 9827), (2219, 9672), (2418, 8876), (2536, 8463), (2604, 8242), (2821, 7608), (3224, 6657), (3804, 5642), (4121, 5208), (4438, 4836)]