21050806

素因数分解:

$2^1\times 7^1\times {\mathrm{617}}^1\times {\mathrm{2437}}^1$

素因数の和:3063

約数の個数: 16

約数和(自身を含む): 36160416

約数和(自身を除く): 15109610

約数列:

[1, 2, 7, 14, 617, 1234, 2437, 4319, 4874, 8638, 17059, 34118, 1503629, 3007258, 10525403, 21050806]

約数ペア:

[(1, 21050806), (2, 10525403), (7, 3007258), (14, 1503629), (617, 34118), (1234, 17059), (2437, 8638), (4319, 4874)]