21696710

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{44279}}^1$

素因数の和:44300

約数の個数: 24

約数和(自身を含む): 45431280

約数和(自身を除く): 23734570

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 44279, 88558, 221395, 309953, 442790, 619906, 1549765, 2169671, 3099530, 4339342, 10848355, 21696710]

約数ペア:

[(1, 21696710), (2, 10848355), (5, 4339342), (7, 3099530), (10, 2169671), (14, 1549765), (35, 619906), (49, 442790), (70, 309953), (98, 221395), (245, 88558), (490, 44279)]