21821917

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{1237}}^1$

素因数の和:1332

約数の個数: 16

約数和(自身を含む): 24958080

約数和(自身を除く): 3136163

約数列:

[1, 13, 23, 59, 299, 767, 1237, 1357, 16081, 17641, 28451, 72983, 369863, 948779, 1678609, 21821917]

約数ペア:

[(1, 21821917), (13, 1678609), (23, 948779), (59, 369863), (299, 72983), (767, 28451), (1237, 17641), (1357, 16081)]