21909335

素因数分解:

$5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{9343}}^1$

素因数の和:9422

約数の個数: 16

約数和(自身を含む): 30498816

約数和(自身を除く): 8589481

約数列:

[1, 5, 7, 35, 67, 335, 469, 2345, 9343, 46715, 65401, 327005, 625981, 3129905, 4381867, 21909335]

約数ペア:

[(1, 21909335), (5, 4381867), (7, 3129905), (35, 625981), (67, 327005), (335, 65401), (469, 46715), (2345, 9343)]