21565404

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{85577}}^1$

素因数の和:85594

約数の個数: 36

約数和(自身を含む): 62300784

約数和(自身を除く): 40735380

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 85577, 171154, 256731, 342308, 513462, 599039, 770193, 1026924, 1198078, 1540386, 1797117, 2396156, 3080772, 3594234, 5391351, 7188468, 10782702, 21565404]

約数ペア:

[(1, 21565404), (2, 10782702), (3, 7188468), (4, 5391351), (6, 3594234), (7, 3080772), (9, 2396156), (12, 1797117), (14, 1540386), (18, 1198078), (21, 1026924), (28, 770193), (36, 599039), (42, 513462), (63, 342308), (84, 256731), (126, 171154), (252, 85577)]