21062360

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47869}}^1$

素因数の和:47891

約数の個数: 32

約数和(自身を含む): 51699600

約数和(自身を除く): 30637240

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 47869, 95738, 191476, 239345, 382952, 478690, 526559, 957380, 1053118, 1914760, 2106236, 2632795, 4212472, 5265590, 10531180, 21062360]

約数ペア:

[(1, 21062360), (2, 10531180), (4, 5265590), (5, 4212472), (8, 2632795), (10, 2106236), (11, 1914760), (20, 1053118), (22, 957380), (40, 526559), (44, 478690), (55, 382952), (88, 239345), (110, 191476), (220, 95738), (440, 47869)]