21810796

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{45821}}^1$

素因数の和:45849

約数の個数: 24

約数和(自身を含む): 46188576

約数和(自身を除く): 24377780

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 45821, 91642, 183284, 320747, 641494, 778957, 1282988, 1557914, 3115828, 5452699, 10905398, 21810796]

約数ペア:

[(1, 21810796), (2, 10905398), (4, 5452699), (7, 3115828), (14, 1557914), (17, 1282988), (28, 778957), (34, 641494), (68, 320747), (119, 183284), (238, 91642), (476, 45821)]