21000688248

素因数分解:

$2^3\times 3^1\times {\mathrm{875028677}}^1$

素因数の和:875028686

約数の個数: 16

約数和(自身を含む): 52501720680

約数和(自身を除く): 31501032432

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 875028677, 1750057354, 2625086031, 3500114708, 5250172062, 7000229416, 10500344124, 21000688248]

約数ペア:

[(1, 21000688248), (2, 10500344124), (3, 7000229416), (4, 5250172062), (6, 3500114708), (8, 2625086031), (12, 1750057354), (24, 875028677)]