21874568145

素因数分解:

$3^1\times 5^1\times {\mathrm{859}}^1\times {\mathrm{1697677}}^1$

素因数の和:1698544

約数の個数: 16

約数和(自身を含む): 35040073920

約数和(自身を除く): 13165505775

約数列:

[1, 3, 5, 15, 859, 2577, 4295, 12885, 1697677, 5093031, 8488385, 25465155, 1458304543, 4374913629, 7291522715, 21874568145]

約数ペア:

[(1, 21874568145), (3, 7291522715), (5, 4374913629), (15, 1458304543), (859, 25465155), (2577, 8488385), (4295, 5093031), (12885, 1697677)]