21296601

素因数分解:

$3^4\times {\mathrm{467}}^1\times {\mathrm{563}}^1$

素因数の和:1042

約数の個数: 20

約数和(自身を含む): 31938192

約数和(自身を除く): 10641591

約数列:

[1, 3, 9, 27, 81, 467, 563, 1401, 1689, 4203, 5067, 12609, 15201, 37827, 45603, 262921, 788763, 2366289, 7098867, 21296601]

約数ペア:

[(1, 21296601), (3, 7098867), (9, 2366289), (27, 788763), (81, 262921), (467, 45603), (563, 37827), (1401, 15201), (1689, 12609), (4203, 5067)]