21689246

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{15559}}^1$

素因数の和:15619

約数の個数: 16

約数和(自身を含む): 35290080

約数和(自身を除く): 13600834

約数列:

[1, 2, 17, 34, 41, 82, 697, 1394, 15559, 31118, 264503, 529006, 637919, 1275838, 10844623, 21689246]

約数ペア:

[(1, 21689246), (2, 10844623), (17, 1275838), (34, 637919), (41, 529006), (82, 264503), (697, 31118), (1394, 15559)]