21985850

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{23143}}^1$

素因数の和:23174

約数の個数: 24

約数和(自身を含む): 43047840

約数和(自身を除く): 21061990

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 190, 475, 950, 23143, 46286, 115715, 231430, 439717, 578575, 879434, 1157150, 2198585, 4397170, 10992925, 21985850]

約数ペア:

[(1, 21985850), (2, 10992925), (5, 4397170), (10, 2198585), (19, 1157150), (25, 879434), (38, 578575), (50, 439717), (95, 231430), (190, 115715), (475, 46286), (950, 23143)]