21481791

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{2287}}^1$

素因数の和:2422

約数の個数: 16

約数和(自身を含む): 29872128

約数和(自身を除く): 8390337

約数列:

[1, 3, 31, 93, 101, 303, 2287, 3131, 6861, 9393, 70897, 212691, 230987, 692961, 7160597, 21481791]

約数ペア:

[(1, 21481791), (3, 7160597), (31, 692961), (93, 230987), (101, 212691), (303, 70897), (2287, 9393), (3131, 6861)]