21112210

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{2767}}^1$

素因数の和:2890

約数の個数: 32

約数和(自身を含む): 43845120

約数和(自身を除く): 22732910

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 109, 218, 545, 763, 1090, 1526, 2767, 3815, 5534, 7630, 13835, 19369, 27670, 38738, 96845, 193690, 301603, 603206, 1508015, 2111221, 3016030, 4222442, 10556105, 21112210]

約数ペア:

[(1, 21112210), (2, 10556105), (5, 4222442), (7, 3016030), (10, 2111221), (14, 1508015), (35, 603206), (70, 301603), (109, 193690), (218, 96845), (545, 38738), (763, 27670), (1090, 19369), (1526, 13835), (2767, 7630), (3815, 5534)]