21000676798

素因数分解:

$2^1\times {\mathrm{103}}^1\times {\mathrm{2557}}^1\times {\mathrm{39869}}^1$

素因数の和:42531

約数の個数: 16

約数和(自身を含む): 31820087520

約数和(自身を除く): 10819410722

約数列:

[1, 2, 103, 206, 2557, 5114, 39869, 79738, 263371, 526742, 4106507, 8213014, 101945033, 203890066, 10500338399, 21000676798]

約数ペア:

[(1, 21000676798), (2, 10500338399), (103, 203890066), (206, 101945033), (2557, 8213014), (5114, 4106507), (39869, 526742), (79738, 263371)]