21546481

素因数分解:

${\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1\times {\mathrm{197}}^1$

素因数の和:432

約数の個数: 16

約数和(自身を含む): 24159168

約数和(自身を除く): 2612687

約数列:

[1, 11, 61, 163, 197, 671, 1793, 2167, 9943, 12017, 32111, 109373, 132187, 353221, 1958771, 21546481]

約数ペア:

[(1, 21546481), (11, 1958771), (61, 353221), (163, 132187), (197, 109373), (671, 32111), (1793, 12017), (2167, 9943)]