21771825

素因数分解:

$3^1\times 5^2\times {\mathrm{107}}^1\times {\mathrm{2713}}^1$

素因数の和:2833

約数の個数: 24

約数和(自身を含む): 36345888

約数和(自身を除く): 14574063

約数列:

[1, 3, 5, 15, 25, 75, 107, 321, 535, 1605, 2675, 2713, 8025, 8139, 13565, 40695, 67825, 203475, 290291, 870873, 1451455, 4354365, 7257275, 21771825]

約数ペア:

[(1, 21771825), (3, 7257275), (5, 4354365), (15, 1451455), (25, 870873), (75, 290291), (107, 203475), (321, 67825), (535, 40695), (1605, 13565), (2675, 8139), (2713, 8025)]