21713488

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{79829}}^1$

素因数の和:79854

約数の個数: 20

約数和(自身を含む): 44545140

約数和(自身を除く): 22831652

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 79829, 159658, 319316, 638632, 1277264, 1357093, 2714186, 5428372, 10856744, 21713488]

約数ペア:

[(1, 21713488), (2, 10856744), (4, 5428372), (8, 2714186), (16, 1357093), (17, 1277264), (34, 638632), (68, 319316), (136, 159658), (272, 79829)]