21044536

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{84857}}^1$

素因数の和:84894

約数の個数: 16

約数和(自身を含む): 40731840

約数和(自身を除く): 19687304

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 84857, 169714, 339428, 678856, 2630567, 5261134, 10522268, 21044536]

約数ペア:

[(1, 21044536), (2, 10522268), (4, 5261134), (8, 2630567), (31, 678856), (62, 339428), (124, 169714), (248, 84857)]