21422661

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{5333}}^1$

素因数の和:5452

約数の個数: 16

約数和(自身を含む): 31065216

約数和(自身を除く): 9642555

約数列:

[1, 3, 13, 39, 103, 309, 1339, 4017, 5333, 15999, 69329, 207987, 549299, 1647897, 7140887, 21422661]

約数ペア:

[(1, 21422661), (3, 7140887), (13, 1647897), (39, 549299), (103, 207987), (309, 69329), (1339, 15999), (4017, 5333)]