21274186

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{15131}}^1$

素因数の和:15189

約数の個数: 16

約数和(自身を含む): 34500960

約数和(自身を除く): 13226774

約数列:

[1, 2, 19, 37, 38, 74, 703, 1406, 15131, 30262, 287489, 559847, 574978, 1119694, 10637093, 21274186]

約数ペア:

[(1, 21274186), (2, 10637093), (19, 1119694), (37, 574978), (38, 559847), (74, 287489), (703, 30262), (1406, 15131)]