21510644

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{2309}}^1$

素因数の和:2467

約数の個数: 24

約数和(自身を含む): 40166280

約数和(自身を除く): 18655636

約数列:

[1, 2, 4, 17, 34, 68, 137, 274, 548, 2309, 2329, 4618, 4658, 9236, 9316, 39253, 78506, 157012, 316333, 632666, 1265332, 5377661, 10755322, 21510644]

約数ペア:

[(1, 21510644), (2, 10755322), (4, 5377661), (17, 1265332), (34, 632666), (68, 316333), (137, 157012), (274, 78506), (548, 39253), (2309, 9316), (2329, 9236), (4618, 4658)]