21914210

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1\times {\mathrm{317}}^1$

素因数の和:578

約数の個数: 32

約数和(自身を含む): 41029632

約数和(自身を除く): 19115422

約数列:

[1, 2, 5, 10, 31, 62, 155, 223, 310, 317, 446, 634, 1115, 1585, 2230, 3170, 6913, 9827, 13826, 19654, 34565, 49135, 69130, 70691, 98270, 141382, 353455, 706910, 2191421, 4382842, 10957105, 21914210]

約数ペア:

[(1, 21914210), (2, 10957105), (5, 4382842), (10, 2191421), (31, 706910), (62, 353455), (155, 141382), (223, 98270), (310, 70691), (317, 69130), (446, 49135), (634, 34565), (1115, 19654), (1585, 13826), (2230, 9827), (3170, 6913)]