21451295

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{1811}}^1$

素因数の和:1942

約数の個数: 16

約数和(自身を含む): 27136512

約数和(自身を除く): 5685217

約数列:

[1, 5, 23, 103, 115, 515, 1811, 2369, 9055, 11845, 41653, 186533, 208265, 932665, 4290259, 21451295]

約数ペア:

[(1, 21451295), (5, 4290259), (23, 932665), (103, 208265), (115, 186533), (515, 41653), (1811, 11845), (2369, 9055)]