21328272

素因数分解:

$2^4\times 3^4\times 7^1\times {\mathrm{2351}}^1$

素因数の和:2378

約数の個数: 100

約数和(自身を含む): 70578816

約数和(自身を除く): 49250544

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 42, 48, 54, 56, 63, 72, 81, 84, 108, 112, 126, 144, 162, 168, 189, 216, 252, 324, 336, 378, 432, 504, 567, 648, 756, 1008, 1134, 1296, 1512, 2268, 2351, 3024, 4536, 4702, 7053, 9072, 9404, 14106, 16457, 18808, 21159, 28212, 32914, 37616, 42318, 49371, 56424, 63477, 65828, 84636, 98742, 112848, 126954, 131656, 148113, 169272, 190431, 197484, 253908, 263312, 296226, 338544, 380862, 394968, 444339, 507816, 592452, 761724, 789936, 888678, 1015632, 1184904, 1333017, 1523448, 1777356, 2369808, 2666034, 3046896, 3554712, 5332068, 7109424, 10664136, 21328272]

約数ペア:

[(1, 21328272), (2, 10664136), (3, 7109424), (4, 5332068), (6, 3554712), (7, 3046896), (8, 2666034), (9, 2369808), (12, 1777356), (14, 1523448), (16, 1333017), (18, 1184904), (21, 1015632), (24, 888678), (27, 789936), (28, 761724), (36, 592452), (42, 507816), (48, 444339), (54, 394968), (56, 380862), (63, 338544), (72, 296226), (81, 263312), (84, 253908), (108, 197484), (112, 190431), (126, 169272), (144, 148113), (162, 131656), (168, 126954), (189, 112848), (216, 98742), (252, 84636), (324, 65828), (336, 63477), (378, 56424), (432, 49371), (504, 42318), (567, 37616), (648, 32914), (756, 28212), (1008, 21159), (1134, 18808), (1296, 16457), (1512, 14106), (2268, 9404), (2351, 9072), (3024, 7053), (4536, 4702)]