21031810070

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{72523483}}^1$

素因数の和:72523519

約数の個数: 16

約数和(自身を含む): 39162681360

約数和(自身を除く): 18130871290

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 72523483, 145046966, 362617415, 725234830, 2103181007, 4206362014, 10515905035, 21031810070]

約数ペア:

[(1, 21031810070), (2, 10515905035), (5, 4206362014), (10, 2103181007), (29, 725234830), (58, 362617415), (145, 145046966), (290, 72523483)]