21942265

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{2671}}^1$

素因数の和:2760

約数の個数: 16

約数和(自身を含む): 27703296

約数和(自身を除く): 5761031

約数列:

[1, 5, 31, 53, 155, 265, 1643, 2671, 8215, 13355, 82801, 141563, 414005, 707815, 4388453, 21942265]

約数ペア:

[(1, 21942265), (5, 4388453), (31, 707815), (53, 414005), (155, 141563), (265, 82801), (1643, 13355), (2671, 8215)]