21580930

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{10631}}^1$

素因数の和:10674

約数の個数: 32

約数和(自身を含む): 45930240

約数和(自身を除く): 24349310

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 145, 203, 290, 406, 1015, 2030, 10631, 21262, 53155, 74417, 106310, 148834, 308299, 372085, 616598, 744170, 1541495, 2158093, 3082990, 4316186, 10790465, 21580930]

約数ペア:

[(1, 21580930), (2, 10790465), (5, 4316186), (7, 3082990), (10, 2158093), (14, 1541495), (29, 744170), (35, 616598), (58, 372085), (70, 308299), (145, 148834), (203, 106310), (290, 74417), (406, 53155), (1015, 21262), (2030, 10631)]