21265599

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{241}}^1\times {\mathrm{439}}^1$

素因数の和:750

約数の個数: 16

約数和(自身を含む): 28962560

約数和(自身を除く): 7696961

約数列:

[1, 3, 67, 201, 241, 439, 723, 1317, 16147, 29413, 48441, 88239, 105799, 317397, 7088533, 21265599]

約数ペア:

[(1, 21265599), (3, 7088533), (67, 317397), (201, 105799), (241, 88239), (439, 48441), (723, 29413), (1317, 16147)]