21695508730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{309935839}}^1$

素因数の和:309935853

約数の個数: 16

約数和(自身を含む): 44630760960

約数和(自身を除く): 22935252230

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 309935839, 619871678, 1549679195, 2169550873, 3099358390, 4339101746, 10847754365, 21695508730]

約数ペア:

[(1, 21695508730), (2, 10847754365), (5, 4339101746), (7, 3099358390), (10, 2169550873), (14, 1549679195), (35, 619871678), (70, 309935839)]