21828008

素因数分解:

$2^3\times {\mathrm{421}}^1\times {\mathrm{6481}}^1$

素因数の和:6908

約数の個数: 16

約数和(自身を含む): 41031060

約数和(自身を除く): 19203052

約数列:

[1, 2, 4, 8, 421, 842, 1684, 3368, 6481, 12962, 25924, 51848, 2728501, 5457002, 10914004, 21828008]

約数ペア:

[(1, 21828008), (2, 10914004), (4, 5457002), (8, 2728501), (421, 51848), (842, 25924), (1684, 12962), (3368, 6481)]