21867208

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{1301}}^1$

素因数の和:1509

約数の個数: 32

約数和(自身を含む): 44997120

約数和(自身を除く): 23129912

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 191, 382, 764, 1301, 1528, 2101, 2602, 4202, 5204, 8404, 10408, 14311, 16808, 28622, 57244, 114488, 248491, 496982, 993964, 1987928, 2733401, 5466802, 10933604, 21867208]

約数ペア:

[(1, 21867208), (2, 10933604), (4, 5466802), (8, 2733401), (11, 1987928), (22, 993964), (44, 496982), (88, 248491), (191, 114488), (382, 57244), (764, 28622), (1301, 16808), (1528, 14311), (2101, 10408), (2602, 8404), (4202, 5204)]