21032270

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{42923}}^1$

素因数の和:42944

約数の個数: 24

約数和(自身を含む): 44040024

約数和(自身を除く): 23007754

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 42923, 85846, 214615, 300461, 429230, 600922, 1502305, 2103227, 3004610, 4206454, 10516135, 21032270]

約数ペア:

[(1, 21032270), (2, 10516135), (5, 4206454), (7, 3004610), (10, 2103227), (14, 1502305), (35, 600922), (49, 429230), (70, 300461), (98, 214615), (245, 85846), (490, 42923)]