21372371806

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{29601623}}^1$

素因数の和:29601663

約数の個数: 12

約数和(自身を含む): 33834656232

約数和(自身を除く): 12462284426

約数列:

[1, 2, 19, 38, 361, 722, 29601623, 59203246, 562430837, 1124861674, 10686185903, 21372371806]

約数ペア:

[(1, 21372371806), (2, 10686185903), (19, 1124861674), (38, 562430837), (361, 59203246), (722, 29601623)]