21179572

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{1567}}^1$

素因数の和:1711

約数の個数: 24

約数和(自身を含む): 38635520

約数和(自身を除く): 17455948

約数列:

[1, 2, 4, 31, 62, 109, 124, 218, 436, 1567, 3134, 3379, 6268, 6758, 13516, 48577, 97154, 170803, 194308, 341606, 683212, 5294893, 10589786, 21179572]

約数ペア:

[(1, 21179572), (2, 10589786), (4, 5294893), (31, 683212), (62, 341606), (109, 194308), (124, 170803), (218, 97154), (436, 48577), (1567, 13516), (3134, 6758), (3379, 6268)]