21112161

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{16481}}^1$

素因数の和:16552

約数の個数: 16

約数和(自身を含む): 32700288

約数和(自身を除く): 11588127

約数列:

[1, 3, 7, 21, 61, 183, 427, 1281, 16481, 49443, 115367, 346101, 1005341, 3016023, 7037387, 21112161]

約数ペア:

[(1, 21112161), (3, 7037387), (7, 3016023), (21, 1005341), (61, 346101), (183, 115367), (427, 49443), (1281, 16481)]