21752036

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{1823}}^1$

素因数の和:2003

約数の個数: 24

約数和(自身を含む): 40346880

約数和(自身を除く): 18594844

約数列:

[1, 2, 4, 19, 38, 76, 157, 314, 628, 1823, 2983, 3646, 5966, 7292, 11932, 34637, 69274, 138548, 286211, 572422, 1144844, 5438009, 10876018, 21752036]

約数ペア:

[(1, 21752036), (2, 10876018), (4, 5438009), (19, 1144844), (38, 572422), (76, 286211), (157, 138548), (314, 69274), (628, 34637), (1823, 11932), (2983, 7292), (3646, 5966)]