21260544

素因数分解:

$2^8\times 3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:116

約数の個数: 144

約数和(自身を含む): 62791680

約数和(自身を除く): 41531136

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 31, 32, 38, 47, 48, 57, 62, 64, 76, 93, 94, 96, 114, 124, 128, 141, 152, 186, 188, 192, 228, 248, 256, 282, 304, 372, 376, 384, 456, 496, 564, 589, 608, 744, 752, 768, 893, 912, 992, 1128, 1178, 1216, 1457, 1488, 1504, 1767, 1786, 1824, 1984, 2256, 2356, 2432, 2679, 2914, 2976, 3008, 3534, 3572, 3648, 3968, 4371, 4512, 4712, 4864, 5358, 5828, 5952, 6016, 7068, 7144, 7296, 7936, 8742, 9024, 9424, 10716, 11656, 11904, 12032, 14136, 14288, 14592, 17484, 18048, 18848, 21432, 23312, 23808, 27683, 28272, 28576, 34968, 36096, 37696, 42864, 46624, 55366, 56544, 57152, 69936, 75392, 83049, 85728, 93248, 110732, 113088, 114304, 139872, 150784, 166098, 171456, 186496, 221464, 226176, 228608, 279744, 332196, 342912, 372992, 442928, 452352, 559488, 664392, 685824, 885856, 1118976, 1328784, 1771712, 2657568, 3543424, 5315136, 7086848, 10630272, 21260544]

約数ペア:

[(1, 21260544), (2, 10630272), (3, 7086848), (4, 5315136), (6, 3543424), (8, 2657568), (12, 1771712), (16, 1328784), (19, 1118976), (24, 885856), (31, 685824), (32, 664392), (38, 559488), (47, 452352), (48, 442928), (57, 372992), (62, 342912), (64, 332196), (76, 279744), (93, 228608), (94, 226176), (96, 221464), (114, 186496), (124, 171456), (128, 166098), (141, 150784), (152, 139872), (186, 114304), (188, 113088), (192, 110732), (228, 93248), (248, 85728), (256, 83049), (282, 75392), (304, 69936), (372, 57152), (376, 56544), (384, 55366), (456, 46624), (496, 42864), (564, 37696), (589, 36096), (608, 34968), (744, 28576), (752, 28272), (768, 27683), (893, 23808), (912, 23312), (992, 21432), (1128, 18848), (1178, 18048), (1216, 17484), (1457, 14592), (1488, 14288), (1504, 14136), (1767, 12032), (1786, 11904), (1824, 11656), (1984, 10716), (2256, 9424), (2356, 9024), (2432, 8742), (2679, 7936), (2914, 7296), (2976, 7144), (3008, 7068), (3534, 6016), (3572, 5952), (3648, 5828), (3968, 5358), (4371, 4864), (4512, 4712)]