21243092

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{2939}}^1$

素因数の和:3095

約数の個数: 24

約数和(自身を含む): 40336800

約数和(自身を除く): 19093708

約数列:

[1, 2, 4, 13, 26, 52, 139, 278, 556, 1807, 2939, 3614, 5878, 7228, 11756, 38207, 76414, 152828, 408521, 817042, 1634084, 5310773, 10621546, 21243092]

約数ペア:

[(1, 21243092), (2, 10621546), (4, 5310773), (13, 1634084), (26, 817042), (52, 408521), (139, 152828), (278, 76414), (556, 38207), (1807, 11756), (2939, 7228), (3614, 5878)]