21819888

素因数分解:

$2^4\times 3^3\times {\mathrm{53}}^1\times {\mathrm{953}}^1$

素因数の和:1023

約数の個数: 80

約数和(自身を含む): 63879840

約数和(自身を除く): 42059952

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 53, 54, 72, 106, 108, 144, 159, 212, 216, 318, 424, 432, 477, 636, 848, 953, 954, 1272, 1431, 1906, 1908, 2544, 2859, 2862, 3812, 3816, 5718, 5724, 7624, 7632, 8577, 11436, 11448, 15248, 17154, 22872, 22896, 25731, 34308, 45744, 50509, 51462, 68616, 101018, 102924, 137232, 151527, 202036, 205848, 303054, 404072, 411696, 454581, 606108, 808144, 909162, 1212216, 1363743, 1818324, 2424432, 2727486, 3636648, 5454972, 7273296, 10909944, 21819888]

約数ペア:

[(1, 21819888), (2, 10909944), (3, 7273296), (4, 5454972), (6, 3636648), (8, 2727486), (9, 2424432), (12, 1818324), (16, 1363743), (18, 1212216), (24, 909162), (27, 808144), (36, 606108), (48, 454581), (53, 411696), (54, 404072), (72, 303054), (106, 205848), (108, 202036), (144, 151527), (159, 137232), (212, 102924), (216, 101018), (318, 68616), (424, 51462), (432, 50509), (477, 45744), (636, 34308), (848, 25731), (953, 22896), (954, 22872), (1272, 17154), (1431, 15248), (1906, 11448), (1908, 11436), (2544, 8577), (2859, 7632), (2862, 7624), (3812, 5724), (3816, 5718)]