21236936

素因数分解:

$2^3\times 7^1\times {\mathrm{601}}^1\times {\mathrm{631}}^1$

素因数の和:1245

約数の個数: 32

約数和(自身を含む): 45655680

約数和(自身を除く): 24418744

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 601, 631, 1202, 1262, 2404, 2524, 4207, 4417, 4808, 5048, 8414, 8834, 16828, 17668, 33656, 35336, 379231, 758462, 1516924, 2654617, 3033848, 5309234, 10618468, 21236936]

約数ペア:

[(1, 21236936), (2, 10618468), (4, 5309234), (7, 3033848), (8, 2654617), (14, 1516924), (28, 758462), (56, 379231), (601, 35336), (631, 33656), (1202, 17668), (1262, 16828), (2404, 8834), (2524, 8414), (4207, 5048), (4417, 4808)]