21876640

素因数分解:

$2^5\times 5^1\times {\mathrm{73}}^1\times {\mathrm{1873}}^1$

素因数の和:1961

約数の個数: 48

約数和(自身を含む): 52419528

約数和(自身を除く): 30542888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 73, 80, 146, 160, 292, 365, 584, 730, 1168, 1460, 1873, 2336, 2920, 3746, 5840, 7492, 9365, 11680, 14984, 18730, 29968, 37460, 59936, 74920, 136729, 149840, 273458, 299680, 546916, 683645, 1093832, 1367290, 2187664, 2734580, 4375328, 5469160, 10938320, 21876640]

約数ペア:

[(1, 21876640), (2, 10938320), (4, 5469160), (5, 4375328), (8, 2734580), (10, 2187664), (16, 1367290), (20, 1093832), (32, 683645), (40, 546916), (73, 299680), (80, 273458), (146, 149840), (160, 136729), (292, 74920), (365, 59936), (584, 37460), (730, 29968), (1168, 18730), (1460, 14984), (1873, 11680), (2336, 9365), (2920, 7492), (3746, 5840)]