21251844

素因数分解:

$2^2\times 3^2\times {\mathrm{257}}^1\times {\mathrm{2297}}^1$

素因数の和:2564

約数の個数: 36

約数和(自身を含む): 53952444

約数和(自身を除く): 32700600

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 257, 514, 771, 1028, 1542, 2297, 2313, 3084, 4594, 4626, 6891, 9188, 9252, 13782, 20673, 27564, 41346, 82692, 590329, 1180658, 1770987, 2361316, 3541974, 5312961, 7083948, 10625922, 21251844]

約数ペア:

[(1, 21251844), (2, 10625922), (3, 7083948), (4, 5312961), (6, 3541974), (9, 2361316), (12, 1770987), (18, 1180658), (36, 590329), (257, 82692), (514, 41346), (771, 27564), (1028, 20673), (1542, 13782), (2297, 9252), (2313, 9188), (3084, 6891), (4594, 4626)]