21120652

素因数分解:

$2^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{10333}}^1$

素因数の和:10417

約数の個数: 24

約数和(自身を含む): 42824096

約数和(自身を除く): 21703444

約数列:

[1, 2, 4, 7, 14, 28, 73, 146, 292, 511, 1022, 2044, 10333, 20666, 41332, 72331, 144662, 289324, 754309, 1508618, 3017236, 5280163, 10560326, 21120652]

約数ペア:

[(1, 21120652), (2, 10560326), (4, 5280163), (7, 3017236), (14, 1508618), (28, 754309), (73, 289324), (146, 144662), (292, 72331), (511, 41332), (1022, 20666), (2044, 10333)]