21338570

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{11411}}^1$

素因数の和:11446

約数の個数: 32

約数和(自身を含む): 44369856

約数和(自身を除く): 23031286

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 110, 170, 187, 374, 935, 1870, 11411, 22822, 57055, 114110, 125521, 193987, 251042, 387974, 627605, 969935, 1255210, 1939870, 2133857, 4267714, 10669285, 21338570]

約数ペア:

[(1, 21338570), (2, 10669285), (5, 4267714), (10, 2133857), (11, 1939870), (17, 1255210), (22, 969935), (34, 627605), (55, 387974), (85, 251042), (110, 193987), (170, 125521), (187, 114110), (374, 57055), (935, 22822), (1870, 11411)]