21551958

素因数分解:

$2^1\times 3^2\times {\mathrm{179}}^1\times {\mathrm{6689}}^1$

素因数の和:6876

約数の個数: 24

約数和(自身を含む): 46963800

約数和(自身を除く): 25411842

約数列:

[1, 2, 3, 6, 9, 18, 179, 358, 537, 1074, 1611, 3222, 6689, 13378, 20067, 40134, 60201, 120402, 1197331, 2394662, 3591993, 7183986, 10775979, 21551958]

約数ペア:

[(1, 21551958), (2, 10775979), (3, 7183986), (6, 3591993), (9, 2394662), (18, 1197331), (179, 120402), (358, 60201), (537, 40134), (1074, 20067), (1611, 13378), (3222, 6689)]