21626150288

素因数分解:

$2^4\times {\mathrm{421}}^1\times {\mathrm{3210533}}^1$

素因数の和:3210962

約数の個数: 20

約数和(自身を含む): 42000205788

約数和(自身を除く): 20374055500

約数列:

[1, 2, 4, 8, 16, 421, 842, 1684, 3368, 6736, 3210533, 6421066, 12842132, 25684264, 51368528, 1351634393, 2703268786, 5406537572, 10813075144, 21626150288]

約数ペア:

[(1, 21626150288), (2, 10813075144), (4, 5406537572), (8, 2703268786), (16, 1351634393), (421, 51368528), (842, 25684264), (1684, 12842132), (3368, 6421066), (6736, 3210533)]