21319824

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{241}}^1$

素因数の和:368

約数の個数: 80

約数和(自身を含む): 58815680

約数和(自身を除く): 37495856

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 76, 97, 114, 152, 194, 228, 241, 291, 304, 388, 456, 482, 582, 723, 776, 912, 964, 1164, 1446, 1552, 1843, 1928, 2328, 2892, 3686, 3856, 4579, 4656, 5529, 5784, 7372, 9158, 11058, 11568, 13737, 14744, 18316, 22116, 23377, 27474, 29488, 36632, 44232, 46754, 54948, 70131, 73264, 88464, 93508, 109896, 140262, 187016, 219792, 280524, 374032, 444163, 561048, 888326, 1122096, 1332489, 1776652, 2664978, 3553304, 5329956, 7106608, 10659912, 21319824]

約数ペア:

[(1, 21319824), (2, 10659912), (3, 7106608), (4, 5329956), (6, 3553304), (8, 2664978), (12, 1776652), (16, 1332489), (19, 1122096), (24, 888326), (38, 561048), (48, 444163), (57, 374032), (76, 280524), (97, 219792), (114, 187016), (152, 140262), (194, 109896), (228, 93508), (241, 88464), (291, 73264), (304, 70131), (388, 54948), (456, 46754), (482, 44232), (582, 36632), (723, 29488), (776, 27474), (912, 23377), (964, 22116), (1164, 18316), (1446, 14744), (1552, 13737), (1843, 11568), (1928, 11058), (2328, 9158), (2892, 7372), (3686, 5784), (3856, 5529), (4579, 4656)]