21295238

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{691}}^1\times {\mathrm{811}}^1$

素因数の和:1523

約数の個数: 16

約数和(自身を含む): 33714240

約数和(自身を除く): 12419002

約数列:

[1, 2, 19, 38, 691, 811, 1382, 1622, 13129, 15409, 26258, 30818, 560401, 1120802, 10647619, 21295238]

約数ペア:

[(1, 21295238), (2, 10647619), (19, 1120802), (38, 560401), (691, 30818), (811, 26258), (1382, 15409), (1622, 13129)]