21082046

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{337}}^1\times {\mathrm{1009}}^1$

素因数の和:1379

約数の個数: 16

約数和(自身を含む): 32772480

約数和(自身を除く): 11690434

約数列:

[1, 2, 31, 62, 337, 674, 1009, 2018, 10447, 20894, 31279, 62558, 340033, 680066, 10541023, 21082046]

約数ペア:

[(1, 21082046), (2, 10541023), (31, 680066), (62, 340033), (337, 62558), (674, 31279), (1009, 20894), (2018, 10447)]