21272170

素因数分解:

$2^1\times 5^1\times {\mathrm{227}}^1\times {\mathrm{9371}}^1$

素因数の和:9605

約数の個数: 16

約数和(自身を含む): 38462688

約数和(自身を除く): 17190518

約数列:

[1, 2, 5, 10, 227, 454, 1135, 2270, 9371, 18742, 46855, 93710, 2127217, 4254434, 10636085, 21272170]

約数ペア:

[(1, 21272170), (2, 10636085), (5, 4254434), (10, 2127217), (227, 93710), (454, 46855), (1135, 18742), (2270, 9371)]