21210596

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{2447}}^1$

素因数の和:2659

約数の個数: 24

約数和(自身を含む): 40715136

約数和(自身を除く): 19504540

約数列:

[1, 2, 4, 11, 22, 44, 197, 394, 788, 2167, 2447, 4334, 4894, 8668, 9788, 26917, 53834, 107668, 482059, 964118, 1928236, 5302649, 10605298, 21210596]

約数ペア:

[(1, 21210596), (2, 10605298), (4, 5302649), (11, 1928236), (22, 964118), (44, 482059), (197, 107668), (394, 53834), (788, 26917), (2167, 9788), (2447, 8668), (4334, 4894)]