21520250

素因数分解:

$2^1\times 5^3\times {\mathrm{59}}^1\times {\mathrm{1459}}^1$

素因数の和:1535

約数の個数: 32

約数和(自身を含む): 40996800

約数和(自身を除く): 19476550

約数列:

[1, 2, 5, 10, 25, 50, 59, 118, 125, 250, 295, 590, 1459, 1475, 2918, 2950, 7295, 7375, 14590, 14750, 36475, 72950, 86081, 172162, 182375, 364750, 430405, 860810, 2152025, 4304050, 10760125, 21520250]

約数ペア:

[(1, 21520250), (2, 10760125), (5, 4304050), (10, 2152025), (25, 860810), (50, 430405), (59, 364750), (118, 182375), (125, 172162), (250, 86081), (295, 72950), (590, 36475), (1459, 14750), (1475, 14590), (2918, 7375), (2950, 7295)]