21761751

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{38791}}^1$

素因数の和:38822

約数の個数: 16

約数和(自身を含む): 33516288

約数和(自身を除く): 11754537

約数列:

[1, 3, 11, 17, 33, 51, 187, 561, 38791, 116373, 426701, 659447, 1280103, 1978341, 7253917, 21761751]

約数ペア:

[(1, 21761751), (3, 7253917), (11, 1978341), (17, 1280103), (33, 659447), (51, 426701), (187, 116373), (561, 38791)]