21424502

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{223}}^1\times {\mathrm{397}}^1$

素因数の和:644

約数の個数: 24

約数和(自身を含む): 35571648

約数和(自身を除く): 14147146

約数列:

[1, 2, 11, 22, 121, 223, 242, 397, 446, 794, 2453, 4367, 4906, 8734, 26983, 48037, 53966, 88531, 96074, 177062, 973841, 1947682, 10712251, 21424502]

約数ペア:

[(1, 21424502), (2, 10712251), (11, 1947682), (22, 973841), (121, 177062), (223, 96074), (242, 88531), (397, 53966), (446, 48037), (794, 26983), (2453, 8734), (4367, 4906)]