21112197

素因数分解:

$3^1\times {\mathrm{79}}^1\times {\mathrm{229}}^1\times {\mathrm{389}}^1$

素因数の和:700

約数の個数: 16

約数和(自身を含む): 28704000

約数和(自身を除く): 7591803

約数列:

[1, 3, 79, 229, 237, 389, 687, 1167, 18091, 30731, 54273, 89081, 92193, 267243, 7037399, 21112197]

約数ペア:

[(1, 21112197), (3, 7037399), (79, 267243), (229, 92193), (237, 89081), (389, 54273), (687, 30731), (1167, 18091)]