21083578

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{277}}^1\times {\mathrm{2003}}^1$

素因数の和:2301

約数の個数: 16

約数和(自身を含む): 33426720

約数和(自身を除く): 12343142

約数列:

[1, 2, 19, 38, 277, 554, 2003, 4006, 5263, 10526, 38057, 76114, 554831, 1109662, 10541789, 21083578]

約数ペア:

[(1, 21083578), (2, 10541789), (19, 1109662), (38, 554831), (277, 76114), (554, 38057), (2003, 10526), (4006, 5263)]