21648182

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{173}}^1$

素因数の和:320

約数の個数: 32

約数和(自身を含む): 35704800

約数和(自身を除く): 14056618

約数列:

[1, 2, 19, 37, 38, 74, 89, 173, 178, 346, 703, 1406, 1691, 3287, 3293, 3382, 6401, 6574, 6586, 12802, 15397, 30794, 62567, 121619, 125134, 243238, 292543, 569689, 585086, 1139378, 10824091, 21648182]

約数ペア:

[(1, 21648182), (2, 10824091), (19, 1139378), (37, 585086), (38, 569689), (74, 292543), (89, 243238), (173, 125134), (178, 121619), (346, 62567), (703, 30794), (1406, 15397), (1691, 12802), (3287, 6586), (3293, 6574), (3382, 6401)]