21012552

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{617}}^1$

素因数の和:683

約数の個数: 96

約数和(自身を含む): 63629280

約数和(自身を除く): 42616728

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 33, 36, 43, 44, 66, 72, 86, 88, 99, 129, 132, 172, 198, 258, 264, 344, 387, 396, 473, 516, 617, 774, 792, 946, 1032, 1234, 1419, 1548, 1851, 1892, 2468, 2838, 3096, 3702, 3784, 4257, 4936, 5553, 5676, 6787, 7404, 8514, 11106, 11352, 13574, 14808, 17028, 20361, 22212, 26531, 27148, 34056, 40722, 44424, 53062, 54296, 61083, 79593, 81444, 106124, 122166, 159186, 162888, 212248, 238779, 244332, 291841, 318372, 477558, 488664, 583682, 636744, 875523, 955116, 1167364, 1751046, 1910232, 2334728, 2626569, 3502092, 5253138, 7004184, 10506276, 21012552]

約数ペア:

[(1, 21012552), (2, 10506276), (3, 7004184), (4, 5253138), (6, 3502092), (8, 2626569), (9, 2334728), (11, 1910232), (12, 1751046), (18, 1167364), (22, 955116), (24, 875523), (33, 636744), (36, 583682), (43, 488664), (44, 477558), (66, 318372), (72, 291841), (86, 244332), (88, 238779), (99, 212248), (129, 162888), (132, 159186), (172, 122166), (198, 106124), (258, 81444), (264, 79593), (344, 61083), (387, 54296), (396, 53062), (473, 44424), (516, 40722), (617, 34056), (774, 27148), (792, 26531), (946, 22212), (1032, 20361), (1234, 17028), (1419, 14808), (1548, 13574), (1851, 11352), (1892, 11106), (2468, 8514), (2838, 7404), (3096, 6787), (3702, 5676), (3784, 5553), (4257, 4936)]