21546800

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{83}}^1$

素因数の和:171

約数の個数: 120

約数和(自身を含む): 58121280

約数和(自身を除く): 36574480

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 59, 80, 83, 88, 100, 110, 118, 166, 176, 200, 220, 236, 275, 295, 332, 400, 415, 440, 472, 550, 590, 649, 664, 830, 880, 913, 944, 1100, 1180, 1298, 1328, 1475, 1660, 1826, 2075, 2200, 2360, 2596, 2950, 3245, 3320, 3652, 4150, 4400, 4565, 4720, 4897, 5192, 5900, 6490, 6640, 7304, 8300, 9130, 9794, 10384, 11800, 12980, 14608, 16225, 16600, 18260, 19588, 22825, 23600, 24485, 25960, 32450, 33200, 36520, 39176, 45650, 48970, 51920, 53867, 64900, 73040, 78352, 91300, 97940, 107734, 122425, 129800, 182600, 195880, 215468, 244850, 259600, 269335, 365200, 391760, 430936, 489700, 538670, 861872, 979400, 1077340, 1346675, 1958800, 2154680, 2693350, 4309360, 5386700, 10773400, 21546800]

約数ペア:

[(1, 21546800), (2, 10773400), (4, 5386700), (5, 4309360), (8, 2693350), (10, 2154680), (11, 1958800), (16, 1346675), (20, 1077340), (22, 979400), (25, 861872), (40, 538670), (44, 489700), (50, 430936), (55, 391760), (59, 365200), (80, 269335), (83, 259600), (88, 244850), (100, 215468), (110, 195880), (118, 182600), (166, 129800), (176, 122425), (200, 107734), (220, 97940), (236, 91300), (275, 78352), (295, 73040), (332, 64900), (400, 53867), (415, 51920), (440, 48970), (472, 45650), (550, 39176), (590, 36520), (649, 33200), (664, 32450), (830, 25960), (880, 24485), (913, 23600), (944, 22825), (1100, 19588), (1180, 18260), (1298, 16600), (1328, 16225), (1475, 14608), (1660, 12980), (1826, 11800), (2075, 10384), (2200, 9794), (2360, 9130), (2596, 8300), (2950, 7304), (3245, 6640), (3320, 6490), (3652, 5900), (4150, 5192), (4400, 4897), (4565, 4720)]