21111018

素因数分解:

$2^1\times 3^1\times {\mathrm{661}}^1\times {\mathrm{5323}}^1$

素因数の和:5989

約数の個数: 16

約数和(自身を含む): 42293856

約数和(自身を除く): 21182838

約数列:

[1, 2, 3, 6, 661, 1322, 1983, 3966, 5323, 10646, 15969, 31938, 3518503, 7037006, 10555509, 21111018]

約数ペア:

[(1, 21111018), (2, 10555509), (3, 7037006), (6, 3518503), (661, 31938), (1322, 15969), (1983, 10646), (3966, 5323)]