2021230390

素因数分解:

$2^1\times 5^1\times {\mathrm{823}}^1\times {\mathrm{245593}}^1$

素因数の和:246423

約数の個数: 16

約数和(自身を含む): 3642650208

約数和(自身を除く): 1621419818

約数列:

[1, 2, 5, 10, 823, 1646, 4115, 8230, 245593, 491186, 1227965, 2455930, 202123039, 404246078, 1010615195, 2021230390]

約数ペア:

[(1, 2021230390), (2, 1010615195), (5, 404246078), (10, 202123039), (823, 2455930), (1646, 1227965), (4115, 491186), (8230, 245593)]