21900824

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{1303}}^1$

素因数の和:1511

約数の個数: 32

約数和(自身を含む): 45066240

約数和(自身を除く): 23165416

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 191, 382, 764, 1303, 1528, 2101, 2606, 4202, 5212, 8404, 10424, 14333, 16808, 28666, 57332, 114664, 248873, 497746, 995492, 1990984, 2737603, 5475206, 10950412, 21900824]

約数ペア:

[(1, 21900824), (2, 10950412), (4, 5475206), (8, 2737603), (11, 1990984), (22, 995492), (44, 497746), (88, 248873), (191, 114664), (382, 57332), (764, 28666), (1303, 16808), (1528, 14333), (2101, 10424), (2606, 8404), (4202, 5212)]