21987250

素因数分解:

$2^1\times 5^3\times {\mathrm{37}}^1\times {\mathrm{2377}}^1$

素因数の和:2431

約数の個数: 32

約数和(自身を含む): 42290352

約数和(自身を除く): 20303102

約数列:

[1, 2, 5, 10, 25, 37, 50, 74, 125, 185, 250, 370, 925, 1850, 2377, 4625, 4754, 9250, 11885, 23770, 59425, 87949, 118850, 175898, 297125, 439745, 594250, 879490, 2198725, 4397450, 10993625, 21987250]

約数ペア:

[(1, 21987250), (2, 10993625), (5, 4397450), (10, 2198725), (25, 879490), (37, 594250), (50, 439745), (74, 297125), (125, 175898), (185, 118850), (250, 87949), (370, 59425), (925, 23770), (1850, 11885), (2377, 9250), (4625, 4754)]