21816303

素因数分解:

$3^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1\times {\mathrm{809}}^1$

素因数の和:1002

約数の個数: 16

約数和(自身を含む): 29743200

約数和(自身を除く): 7926897

約数列:

[1, 3, 89, 101, 267, 303, 809, 2427, 8989, 26967, 72001, 81709, 216003, 245127, 7272101, 21816303]

約数ペア:

[(1, 21816303), (3, 7272101), (89, 245127), (101, 216003), (267, 81709), (303, 72001), (809, 26967), (2427, 8989)]