21250835

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{467}}^1\times {\mathrm{479}}^1$

素因数の和:970

約数の個数: 16

約数和(自身を含む): 26956800

約数和(自身を除く): 5705965

約数列:

[1, 5, 19, 95, 467, 479, 2335, 2395, 8873, 9101, 44365, 45505, 223693, 1118465, 4250167, 21250835]

約数ペア:

[(1, 21250835), (5, 4250167), (19, 1118465), (95, 223693), (467, 45505), (479, 44365), (2335, 9101), (2395, 8873)]