21052444

素因数分解:

$2^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{4789}}^1$

素因数の和:4957

約数の個数: 24

約数和(自身を含む): 42381920

約数和(自身を除く): 21329476

約数列:

[1, 2, 4, 7, 14, 28, 157, 314, 628, 1099, 2198, 4396, 4789, 9578, 19156, 33523, 67046, 134092, 751873, 1503746, 3007492, 5263111, 10526222, 21052444]

約数ペア:

[(1, 21052444), (2, 10526222), (4, 5263111), (7, 3007492), (14, 1503746), (28, 751873), (157, 134092), (314, 67046), (628, 33523), (1099, 19156), (2198, 9578), (4396, 4789)]