21082796

素因数分解:

$2^2\times 7^1\times {\mathrm{431}}^1\times {\mathrm{1747}}^1$

素因数の和:2189

約数の個数: 24

約数和(自身を含む): 42287616

約数和(自身を除く): 21204820

約数列:

[1, 2, 4, 7, 14, 28, 431, 862, 1724, 1747, 3017, 3494, 6034, 6988, 12068, 12229, 24458, 48916, 752957, 1505914, 3011828, 5270699, 10541398, 21082796]

約数ペア:

[(1, 21082796), (2, 10541398), (4, 5270699), (7, 3011828), (14, 1505914), (28, 752957), (431, 48916), (862, 24458), (1724, 12229), (1747, 12068), (3017, 6988), (3494, 6034)]