21130008

素因数分解:

$2^3\times 3^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{379}}^1$

素因数の和:512

約数の個数: 64

約数和(自身を含む): 55814400

約数和(自身を除く): 34684392

約数列:

[1, 2, 3, 4, 6, 8, 12, 23, 24, 46, 69, 92, 101, 138, 184, 202, 276, 303, 379, 404, 552, 606, 758, 808, 1137, 1212, 1516, 2274, 2323, 2424, 3032, 4548, 4646, 6969, 8717, 9096, 9292, 13938, 17434, 18584, 26151, 27876, 34868, 38279, 52302, 55752, 69736, 76558, 104604, 114837, 153116, 209208, 229674, 306232, 459348, 880417, 918696, 1760834, 2641251, 3521668, 5282502, 7043336, 10565004, 21130008]

約数ペア:

[(1, 21130008), (2, 10565004), (3, 7043336), (4, 5282502), (6, 3521668), (8, 2641251), (12, 1760834), (23, 918696), (24, 880417), (46, 459348), (69, 306232), (92, 229674), (101, 209208), (138, 153116), (184, 114837), (202, 104604), (276, 76558), (303, 69736), (379, 55752), (404, 52302), (552, 38279), (606, 34868), (758, 27876), (808, 26151), (1137, 18584), (1212, 17434), (1516, 13938), (2274, 9292), (2323, 9096), (2424, 8717), (3032, 6969), (4548, 4646)]