21993348

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{140983}}^1$

素因数の和:141003

約数の個数: 24

約数和(自身を含む): 55265728

約数和(自身を除く): 33272380

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 140983, 281966, 422949, 563932, 845898, 1691796, 1832779, 3665558, 5498337, 7331116, 10996674, 21993348]

約数ペア:

[(1, 21993348), (2, 10996674), (3, 7331116), (4, 5498337), (6, 3665558), (12, 1832779), (13, 1691796), (26, 845898), (39, 563932), (52, 422949), (78, 281966), (156, 140983)]