21187650

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{12841}}^1$

素因数の和:12867

約数の個数: 48

約数和(自身を含む): 57326688

約数和(自身を除く): 36139038

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 25, 30, 33, 50, 55, 66, 75, 110, 150, 165, 275, 330, 550, 825, 1650, 12841, 25682, 38523, 64205, 77046, 128410, 141251, 192615, 282502, 321025, 385230, 423753, 642050, 706255, 847506, 963075, 1412510, 1926150, 2118765, 3531275, 4237530, 7062550, 10593825, 21187650]

約数ペア:

[(1, 21187650), (2, 10593825), (3, 7062550), (5, 4237530), (6, 3531275), (10, 2118765), (11, 1926150), (15, 1412510), (22, 963075), (25, 847506), (30, 706255), (33, 642050), (50, 423753), (55, 385230), (66, 321025), (75, 282502), (110, 192615), (150, 141251), (165, 128410), (275, 77046), (330, 64205), (550, 38523), (825, 25682), (1650, 12841)]