21997544

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{1789}}^1$

素因数の和:1877

約数の個数: 32

約数和(自身を含む): 43497000

約数和(自身を除く): 21499456

約数列:

[1, 2, 4, 8, 29, 53, 58, 106, 116, 212, 232, 424, 1537, 1789, 3074, 3578, 6148, 7156, 12296, 14312, 51881, 94817, 103762, 189634, 207524, 379268, 415048, 758536, 2749693, 5499386, 10998772, 21997544]

約数ペア:

[(1, 21997544), (2, 10998772), (4, 5499386), (8, 2749693), (29, 758536), (53, 415048), (58, 379268), (106, 207524), (116, 189634), (212, 103762), (232, 94817), (424, 51881), (1537, 14312), (1789, 12296), (3074, 7156), (3578, 6148)]