421920910

素因数分解:

$2^1\times 5^1\times {\mathrm{191}}^1\times {\mathrm{220901}}^1$

素因数の和:221099

約数の個数: 16

約数和(自身を含む): 763437312

約数和(自身を除く): 341516402

約数列:

[1, 2, 5, 10, 191, 382, 955, 1910, 220901, 441802, 1104505, 2209010, 42192091, 84384182, 210960455, 421920910]

約数ペア:

[(1, 421920910), (2, 210960455), (5, 84384182), (10, 42192091), (191, 2209010), (382, 1104505), (955, 441802), (1910, 220901)]