21578664

素因数分解:

$2^3\times 3^1\times {\mathrm{563}}^1\times {\mathrm{1597}}^1$

素因数の和:2169

約数の個数: 32

約数和(自身を含む): 54076320

約数和(自身を除く): 32497656

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 563, 1126, 1597, 1689, 2252, 3194, 3378, 4504, 4791, 6388, 6756, 9582, 12776, 13512, 19164, 38328, 899111, 1798222, 2697333, 3596444, 5394666, 7192888, 10789332, 21578664]

約数ペア:

[(1, 21578664), (2, 10789332), (3, 7192888), (4, 5394666), (6, 3596444), (8, 2697333), (12, 1798222), (24, 899111), (563, 38328), (1126, 19164), (1597, 13512), (1689, 12776), (2252, 9582), (3194, 6756), (3378, 6388), (4504, 4791)]