21798936

素因数分解:

$2^3\times 3^3\times {\mathrm{43}}^1\times {\mathrm{2347}}^1$

素因数の和:2405

約数の個数: 64

約数和(自身を含む): 61987200

約数和(自身を除く): 40188264

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 43, 54, 72, 86, 108, 129, 172, 216, 258, 344, 387, 516, 774, 1032, 1161, 1548, 2322, 2347, 3096, 4644, 4694, 7041, 9288, 9388, 14082, 18776, 21123, 28164, 42246, 56328, 63369, 84492, 100921, 126738, 168984, 201842, 253476, 302763, 403684, 506952, 605526, 807368, 908289, 1211052, 1816578, 2422104, 2724867, 3633156, 5449734, 7266312, 10899468, 21798936]

約数ペア:

[(1, 21798936), (2, 10899468), (3, 7266312), (4, 5449734), (6, 3633156), (8, 2724867), (9, 2422104), (12, 1816578), (18, 1211052), (24, 908289), (27, 807368), (36, 605526), (43, 506952), (54, 403684), (72, 302763), (86, 253476), (108, 201842), (129, 168984), (172, 126738), (216, 100921), (258, 84492), (344, 63369), (387, 56328), (516, 42246), (774, 28164), (1032, 21123), (1161, 18776), (1548, 14082), (2322, 9388), (2347, 9288), (3096, 7041), (4644, 4694)]