21476413

素因数分解:

$7^1\times {\mathrm{59}}^1\times {\mathrm{149}}^1\times {\mathrm{349}}^1$

素因数の和:564

約数の個数: 16

約数和(自身を含む): 25200000

約数和(自身を除く): 3723587

約数列:

[1, 7, 59, 149, 349, 413, 1043, 2443, 8791, 20591, 52001, 61537, 144137, 364007, 3068059, 21476413]

約数ペア:

[(1, 21476413), (7, 3068059), (59, 364007), (149, 144137), (349, 61537), (413, 52001), (1043, 20591), (2443, 8791)]