21705110

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{7211}}^1$

素因数の和:7268

約数の個数: 32

約数和(自身を含む): 45695232

約数和(自身を除く): 23990122

約数列:

[1, 2, 5, 7, 10, 14, 35, 43, 70, 86, 215, 301, 430, 602, 1505, 3010, 7211, 14422, 36055, 50477, 72110, 100954, 252385, 310073, 504770, 620146, 1550365, 2170511, 3100730, 4341022, 10852555, 21705110]

約数ペア:

[(1, 21705110), (2, 10852555), (5, 4341022), (7, 3100730), (10, 2170511), (14, 1550365), (35, 620146), (43, 504770), (70, 310073), (86, 252385), (215, 100954), (301, 72110), (430, 50477), (602, 36055), (1505, 14422), (3010, 7211)]