21815320895

素因数分解:

$5^1\times {\mathrm{373}}^1\times {\mathrm{419}}^1\times {\mathrm{27917}}^1$

素因数の和:28714

約数の個数: 16

約数和(自身を含む): 26312156640

約数和(自身を除く): 4496835745

約数列:

[1, 5, 373, 419, 1865, 2095, 27917, 139585, 156287, 781435, 10413041, 11697223, 52065205, 58486115, 4363064179, 21815320895]

約数ペア:

[(1, 21815320895), (5, 4363064179), (373, 58486115), (419, 52065205), (1865, 11697223), (2095, 10413041), (27917, 781435), (139585, 156287)]