21507926

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{373}}^1\times {\mathrm{2621}}^1$

素因数の和:3007

約数の個数: 16

約数和(自身を含む): 35302608

約数和(自身を除く): 13794682

約数列:

[1, 2, 11, 22, 373, 746, 2621, 4103, 5242, 8206, 28831, 57662, 977633, 1955266, 10753963, 21507926]

約数ペア:

[(1, 21507926), (2, 10753963), (11, 1955266), (22, 977633), (373, 57662), (746, 28831), (2621, 8206), (4103, 5242)]