21715113

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{181}}^1\times {\mathrm{197}}^1$

素因数の和:417

約数の個数: 32

約数和(自身を含む): 34594560

約数和(自身を除く): 12879447

約数列:

[1, 3, 7, 21, 29, 87, 181, 197, 203, 543, 591, 609, 1267, 1379, 3801, 4137, 5249, 5713, 15747, 17139, 35657, 36743, 39991, 106971, 110229, 119973, 249599, 748797, 1034053, 3102159, 7238371, 21715113]

約数ペア:

[(1, 21715113), (3, 7238371), (7, 3102159), (21, 1034053), (29, 748797), (87, 249599), (181, 119973), (197, 110229), (203, 106971), (543, 39991), (591, 36743), (609, 35657), (1267, 17139), (1379, 15747), (3801, 5713), (4137, 5249)]