21021503

素因数分解:

${\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{353}}^1$

素因数の和:514

約数の個数: 16

約数和(自身を含む): 23245056

約数和(自身を除く): 2223553

約数列:

[1, 17, 31, 113, 353, 527, 1921, 3503, 6001, 10943, 39889, 59551, 186031, 678113, 1236559, 21021503]

約数ペア:

[(1, 21021503), (17, 1236559), (31, 678113), (113, 186031), (353, 59551), (527, 39889), (1921, 10943), (3503, 6001)]