21508712433

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{163}}^1\times {\mathrm{3449}}^1$

素因数の和:3743

約数の個数: 64

約数和(自身を含む): 34853280000

約数和(自身を除く): 13344567567

約数列:

[1, 3, 9, 13, 27, 39, 109, 117, 163, 327, 351, 489, 981, 1417, 1467, 2119, 2943, 3449, 4251, 4401, 6357, 10347, 12753, 17767, 19071, 31041, 38259, 44837, 53301, 57213, 93123, 134511, 159903, 230971, 375941, 403533, 479709, 562187, 692913, 1127823, 1210599, 1686561, 2078739, 3383469, 4887233, 5059683, 6236217, 7308431, 10150407, 14661699, 15179049, 21925293, 43985097, 61278383, 65775879, 131955291, 183835149, 197327637, 551505447, 796618979, 1654516341, 2389856937, 7169570811, 21508712433]

約数ペア:

[(1, 21508712433), (3, 7169570811), (9, 2389856937), (13, 1654516341), (27, 796618979), (39, 551505447), (109, 197327637), (117, 183835149), (163, 131955291), (327, 65775879), (351, 61278383), (489, 43985097), (981, 21925293), (1417, 15179049), (1467, 14661699), (2119, 10150407), (2943, 7308431), (3449, 6236217), (4251, 5059683), (4401, 4887233), (6357, 3383469), (10347, 2078739), (12753, 1686561), (17767, 1210599), (19071, 1127823), (31041, 692913), (38259, 562187), (44837, 479709), (53301, 403533), (57213, 375941), (93123, 230971), (134511, 159903)]