21000929025

素因数分解:

$3^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{4590367}}^1$

素因数の和:4590441

約数の個数: 24

約数和(自身を含む): 35290749184

約数和(自身を除く): 14289820159

約数列:

[1, 3, 5, 15, 25, 61, 75, 183, 305, 915, 1525, 4575, 4590367, 13771101, 22951835, 68855505, 114759175, 280012387, 344277525, 840037161, 1400061935, 4200185805, 7000309675, 21000929025]

約数ペア:

[(1, 21000929025), (3, 7000309675), (5, 4200185805), (15, 1400061935), (25, 840037161), (61, 344277525), (75, 280012387), (183, 114759175), (305, 68855505), (915, 22951835), (1525, 13771101), (4575, 4590367)]