21232450

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{499}}^1$

素因数の和:571

約数の個数: 48

約数和(自身を含む): 42408000

約数和(自身を除く): 21175550

約数列:

[1, 2, 5, 10, 23, 25, 37, 46, 50, 74, 115, 185, 230, 370, 499, 575, 851, 925, 998, 1150, 1702, 1850, 2495, 4255, 4990, 8510, 11477, 12475, 18463, 21275, 22954, 24950, 36926, 42550, 57385, 92315, 114770, 184630, 286925, 424649, 461575, 573850, 849298, 923150, 2123245, 4246490, 10616225, 21232450]

約数ペア:

[(1, 21232450), (2, 10616225), (5, 4246490), (10, 2123245), (23, 923150), (25, 849298), (37, 573850), (46, 461575), (50, 424649), (74, 286925), (115, 184630), (185, 114770), (230, 92315), (370, 57385), (499, 42550), (575, 36926), (851, 24950), (925, 22954), (998, 21275), (1150, 18463), (1702, 12475), (1850, 11477), (2495, 8510), (4255, 4990)]