21703900

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^2\times {\mathrm{751}}^1$

素因数の和:799

約数の個数: 54

約数和(自身を含む): 50097488

約数和(自身を除く): 28393588

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 170, 289, 340, 425, 578, 751, 850, 1156, 1445, 1502, 1700, 2890, 3004, 3755, 5780, 7225, 7510, 12767, 14450, 15020, 18775, 25534, 28900, 37550, 51068, 63835, 75100, 127670, 217039, 255340, 319175, 434078, 638350, 868156, 1085195, 1276700, 2170390, 4340780, 5425975, 10851950, 21703900]

約数ペア:

[(1, 21703900), (2, 10851950), (4, 5425975), (5, 4340780), (10, 2170390), (17, 1276700), (20, 1085195), (25, 868156), (34, 638350), (50, 434078), (68, 319175), (85, 255340), (100, 217039), (170, 127670), (289, 75100), (340, 63835), (425, 51068), (578, 37550), (751, 28900), (850, 25534), (1156, 18775), (1445, 15020), (1502, 14450), (1700, 12767), (2890, 7510), (3004, 7225), (3755, 5780)]