21352570

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{181}}^1\times {\mathrm{251}}^1$

素因数の和:486

約数の個数: 32

約数和(自身を含む): 39626496

約数和(自身を除く): 18273926

約数列:

[1, 2, 5, 10, 47, 94, 181, 235, 251, 362, 470, 502, 905, 1255, 1810, 2510, 8507, 11797, 17014, 23594, 42535, 45431, 58985, 85070, 90862, 117970, 227155, 454310, 2135257, 4270514, 10676285, 21352570]

約数ペア:

[(1, 21352570), (2, 10676285), (5, 4270514), (10, 2135257), (47, 454310), (94, 227155), (181, 117970), (235, 90862), (251, 85070), (362, 58985), (470, 45431), (502, 42535), (905, 23594), (1255, 17014), (1810, 11797), (2510, 8507)]