21902926

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{541}}^1\times {\mathrm{653}}^1$

素因数の和:1227

約数の個数: 16

約数和(自身を含む): 34028928

約数和(自身を除く): 12126002

約数列:

[1, 2, 31, 62, 541, 653, 1082, 1306, 16771, 20243, 33542, 40486, 353273, 706546, 10951463, 21902926]

約数ペア:

[(1, 21902926), (2, 10951463), (31, 706546), (62, 353273), (541, 40486), (653, 33542), (1082, 20243), (1306, 16771)]