21400522

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{74827}}^1$

素因数の和:74853

約数の個数: 16

約数和(自身を含む): 37713312

約数和(自身を除く): 16312790

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 74827, 149654, 823097, 972751, 1646194, 1945502, 10700261, 21400522]

約数ペア:

[(1, 21400522), (2, 10700261), (11, 1945502), (13, 1646194), (22, 972751), (26, 823097), (143, 149654), (286, 74827)]