2021821565

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{349}}^1\times {\mathrm{39953}}^1$

素因数の和:40336

約数の個数: 16

約数和(自身を含む): 2517102000

約数和(自身を除く): 495280435

約数列:

[1, 5, 29, 145, 349, 1745, 10121, 39953, 50605, 199765, 1158637, 5793185, 13943597, 69717985, 404364313, 2021821565]

約数ペア:

[(1, 2021821565), (5, 404364313), (29, 69717985), (145, 13943597), (349, 5793185), (1745, 1158637), (10121, 199765), (39953, 50605)]