21309058

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{691}}^1\times {\mathrm{907}}^1$

素因数の和:1617

約数の個数: 16

約数和(自身を含む): 33930144

約数和(自身を除く): 12621086

約数列:

[1, 2, 17, 34, 691, 907, 1382, 1814, 11747, 15419, 23494, 30838, 626737, 1253474, 10654529, 21309058]

約数ペア:

[(1, 21309058), (2, 10654529), (17, 1253474), (34, 626737), (691, 30838), (907, 23494), (1382, 15419), (1814, 11747)]