21000478054

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{1103}}^1\times {\mathrm{3433}}^1$

素因数の和:4644

約数の個数: 32

約数和(自身を含む): 32755415040

約数和(自身を除く): 11754936986

約数列:

[1, 2, 47, 59, 94, 118, 1103, 2206, 2773, 3433, 5546, 6866, 51841, 65077, 103682, 130154, 161351, 202547, 322702, 405094, 3058619, 3786599, 6117238, 7573198, 9519709, 19039418, 177970153, 223409341, 355940306, 446818682, 10500239027, 21000478054]

約数ペア:

[(1, 21000478054), (2, 10500239027), (47, 446818682), (59, 355940306), (94, 223409341), (118, 177970153), (1103, 19039418), (2206, 9519709), (2773, 7573198), (3433, 6117238), (5546, 3786599), (6866, 3058619), (51841, 405094), (65077, 322702), (103682, 202547), (130154, 161351)]