21654952

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{4643}}^1$

素因数の和:4713

約数の個数: 32

約数和(自身を含む): 45139680

約数和(自身を除く): 23484728

約数列:

[1, 2, 4, 8, 11, 22, 44, 53, 88, 106, 212, 424, 583, 1166, 2332, 4643, 4664, 9286, 18572, 37144, 51073, 102146, 204292, 246079, 408584, 492158, 984316, 1968632, 2706869, 5413738, 10827476, 21654952]

約数ペア:

[(1, 21654952), (2, 10827476), (4, 5413738), (8, 2706869), (11, 1968632), (22, 984316), (44, 492158), (53, 408584), (88, 246079), (106, 204292), (212, 102146), (424, 51073), (583, 37144), (1166, 18572), (2332, 9286), (4643, 4664)]