21273689

素因数分解:

${\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{257}}^1$

素因数の和:400

約数の個数: 16

約数和(自身を含む): 23034240

約数和(自身を除く): 1760551

約数列:

[1, 23, 59, 61, 257, 1357, 1403, 3599, 5911, 15163, 15677, 82777, 348749, 360571, 924943, 21273689]

約数ペア:

[(1, 21273689), (23, 924943), (59, 360571), (61, 348749), (257, 82777), (1357, 15677), (1403, 15163), (3599, 5911)]