21854408

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{143779}}^1$

素因数の和:143804

約数の個数: 16

約数和(自身を含む): 43134000

約数和(自身を除く): 21279592

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 143779, 287558, 575116, 1150232, 2731801, 5463602, 10927204, 21854408]

約数ペア:

[(1, 21854408), (2, 10927204), (4, 5463602), (8, 2731801), (19, 1150232), (38, 575116), (76, 287558), (152, 143779)]