21022491

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{16411}}^1$

素因数の和:16482

約数の個数: 16

約数和(自身を含む): 32561408

約数和(自身を除く): 11538917

約数列:

[1, 3, 7, 21, 61, 183, 427, 1281, 16411, 49233, 114877, 344631, 1001071, 3003213, 7007497, 21022491]

約数ペア:

[(1, 21022491), (3, 7007497), (7, 3003213), (21, 1001071), (61, 344631), (183, 114877), (427, 49233), (1281, 16411)]