21860147169

素因数分解:

$3^2\times 7^1\times {\mathrm{431}}^1\times {\mathrm{805073}}^1$

素因数の和:805517

約数の個数: 24

約数和(自身を含む): 36170364672

約数和(自身を除く): 14310217503

約数列:

[1, 3, 7, 9, 21, 63, 431, 1293, 3017, 3879, 9051, 27153, 805073, 2415219, 5635511, 7245657, 16906533, 50719599, 346986463, 1040959389, 2428905241, 3122878167, 7286715723, 21860147169]

約数ペア:

[(1, 21860147169), (3, 7286715723), (7, 3122878167), (9, 2428905241), (21, 1040959389), (63, 346986463), (431, 50719599), (1293, 16906533), (3017, 7245657), (3879, 5635511), (9051, 2415219), (27153, 805073)]