21739852

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{773}}^1$

素因数の和:945

約数の個数: 24

約数和(自身を含む): 39009600

約数和(自身を除く): 17269748

約数列:

[1, 2, 4, 79, 89, 158, 178, 316, 356, 773, 1546, 3092, 7031, 14062, 28124, 61067, 68797, 122134, 137594, 244268, 275188, 5434963, 10869926, 21739852]

約数ペア:

[(1, 21739852), (2, 10869926), (4, 5434963), (79, 275188), (89, 244268), (158, 137594), (178, 122134), (316, 68797), (356, 61067), (773, 28124), (1546, 14062), (3092, 7031)]