21029210

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{443}}^1$

素因数の和:598

約数の個数: 32

約数和(自身を含む): 39128832

約数和(自身を除く): 18099622

約数列:

[1, 2, 5, 10, 47, 94, 101, 202, 235, 443, 470, 505, 886, 1010, 2215, 4430, 4747, 9494, 20821, 23735, 41642, 44743, 47470, 89486, 104105, 208210, 223715, 447430, 2102921, 4205842, 10514605, 21029210]

約数ペア:

[(1, 21029210), (2, 10514605), (5, 4205842), (10, 2102921), (47, 447430), (94, 223715), (101, 208210), (202, 104105), (235, 89486), (443, 47470), (470, 44743), (505, 41642), (886, 23735), (1010, 20821), (2215, 9494), (4430, 4747)]