21942188

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{4733}}^1$

素因数の和:4817

約数の個数: 24

約数和(自身を含む): 41091120

約数和(自身を除く): 19148932

約数列:

[1, 2, 4, 19, 38, 61, 76, 122, 244, 1159, 2318, 4636, 4733, 9466, 18932, 89927, 179854, 288713, 359708, 577426, 1154852, 5485547, 10971094, 21942188]

約数ペア:

[(1, 21942188), (2, 10971094), (4, 5485547), (19, 1154852), (38, 577426), (61, 359708), (76, 288713), (122, 179854), (244, 89927), (1159, 18932), (2318, 9466), (4636, 4733)]