21938340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{365639}}^1$

素因数の和:365651

約数の個数: 24

約数和(自身を含む): 61427520

約数和(自身を除く): 39489180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 365639, 731278, 1096917, 1462556, 1828195, 2193834, 3656390, 4387668, 5484585, 7312780, 10969170, 21938340]

約数ペア:

[(1, 21938340), (2, 10969170), (3, 7312780), (4, 5484585), (5, 4387668), (6, 3656390), (10, 2193834), (12, 1828195), (15, 1462556), (20, 1096917), (30, 731278), (60, 365639)]