21230154

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{347}}^1$

素因数の和:472

約数の個数: 64

約数和(自身を含む): 52116480

約数和(自身を除く): 30886326

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 54, 66, 99, 103, 198, 206, 297, 309, 347, 594, 618, 694, 927, 1041, 1133, 1854, 2082, 2266, 2781, 3123, 3399, 3817, 5562, 6246, 6798, 7634, 9369, 10197, 11451, 18738, 20394, 22902, 30591, 34353, 35741, 61182, 68706, 71482, 103059, 107223, 206118, 214446, 321669, 393151, 643338, 786302, 965007, 1179453, 1930014, 2358906, 3538359, 7076718, 10615077, 21230154]

約数ペア:

[(1, 21230154), (2, 10615077), (3, 7076718), (6, 3538359), (9, 2358906), (11, 1930014), (18, 1179453), (22, 965007), (27, 786302), (33, 643338), (54, 393151), (66, 321669), (99, 214446), (103, 206118), (198, 107223), (206, 103059), (297, 71482), (309, 68706), (347, 61182), (594, 35741), (618, 34353), (694, 30591), (927, 22902), (1041, 20394), (1133, 18738), (1854, 11451), (2082, 10197), (2266, 9369), (2781, 7634), (3123, 6798), (3399, 6246), (3817, 5562)]