21785090

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{1747}}^1$

素因数の和:1826

約数の個数: 32

約数和(自身を含む): 41532480

約数和(自身を除く): 19747390

約数列:

[1, 2, 5, 10, 29, 43, 58, 86, 145, 215, 290, 430, 1247, 1747, 2494, 3494, 6235, 8735, 12470, 17470, 50663, 75121, 101326, 150242, 253315, 375605, 506630, 751210, 2178509, 4357018, 10892545, 21785090]

約数ペア:

[(1, 21785090), (2, 10892545), (5, 4357018), (10, 2178509), (29, 751210), (43, 506630), (58, 375605), (86, 253315), (145, 150242), (215, 101326), (290, 75121), (430, 50663), (1247, 17470), (1747, 12470), (2494, 8735), (3494, 6235)]