21611704

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{50971}}^1$

素因数の和:51030

約数の個数: 16

約数和(自身を含む): 41287320

約数和(自身を除く): 19675616

約数列:

[1, 2, 4, 8, 53, 106, 212, 424, 50971, 101942, 203884, 407768, 2701463, 5402926, 10805852, 21611704]

約数ペア:

[(1, 21611704), (2, 10805852), (4, 5402926), (8, 2701463), (53, 407768), (106, 203884), (212, 101942), (424, 50971)]