21244531

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{4523}}^1$

素因数の和:4602

約数の個数: 16

約数和(自身を含む): 26926848

約数和(自身を除く): 5682317

約数列:

[1, 7, 11, 61, 77, 427, 671, 4523, 4697, 31661, 49753, 275903, 348271, 1931321, 3034933, 21244531]

約数ペア:

[(1, 21244531), (7, 3034933), (11, 1931321), (61, 348271), (77, 275903), (427, 49753), (671, 31661), (4523, 4697)]