21984050

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{39971}}^1$

素因数の和:39994

約数の個数: 24

約数和(自身を含む): 44608752

約数和(自身を除く): 22624702

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 275, 550, 39971, 79942, 199855, 399710, 439681, 879362, 999275, 1998550, 2198405, 4396810, 10992025, 21984050]

約数ペア:

[(1, 21984050), (2, 10992025), (5, 4396810), (10, 2198405), (11, 1998550), (22, 999275), (25, 879362), (50, 439681), (55, 399710), (110, 199855), (275, 79942), (550, 39971)]