21929887

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{1831}}^1$

素因数の和:1926

約数の個数: 16

約数和(自身を含む): 26380800

約数和(自身を除く): 4450913

約数列:

[1, 7, 29, 59, 203, 413, 1711, 1831, 11977, 12817, 53099, 108029, 371693, 756203, 3132841, 21929887]

約数ペア:

[(1, 21929887), (7, 3132841), (29, 756203), (59, 371693), (203, 108029), (413, 53099), (1711, 12817), (1831, 11977)]