21477340

素因数分解:

$2^2\times 5^1\times {\mathrm{373}}^1\times {\mathrm{2879}}^1$

素因数の和:3261

約数の個数: 24

約数和(自身を含む): 45239040

約数和(自身を除く): 23761700

約数列:

[1, 2, 4, 5, 10, 20, 373, 746, 1492, 1865, 2879, 3730, 5758, 7460, 11516, 14395, 28790, 57580, 1073867, 2147734, 4295468, 5369335, 10738670, 21477340]

約数ペア:

[(1, 21477340), (2, 10738670), (4, 5369335), (5, 4295468), (10, 2147734), (20, 1073867), (373, 57580), (746, 28790), (1492, 14395), (1865, 11516), (2879, 7460), (3730, 5758)]