21394560

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1013}}^1$

素因数の和:1046

約数の個数: 128

約数和(自身を含む): 74468160

約数和(自身を除く): 53073600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 64, 66, 80, 88, 96, 110, 120, 128, 132, 160, 165, 176, 192, 220, 240, 264, 320, 330, 352, 384, 440, 480, 528, 640, 660, 704, 880, 960, 1013, 1056, 1320, 1408, 1760, 1920, 2026, 2112, 2640, 3039, 3520, 4052, 4224, 5065, 5280, 6078, 7040, 8104, 10130, 10560, 11143, 12156, 15195, 16208, 20260, 21120, 22286, 24312, 30390, 32416, 33429, 40520, 44572, 48624, 55715, 60780, 64832, 66858, 81040, 89144, 97248, 111430, 121560, 129664, 133716, 162080, 167145, 178288, 194496, 222860, 243120, 267432, 324160, 334290, 356576, 388992, 445720, 486240, 534864, 648320, 668580, 713152, 891440, 972480, 1069728, 1337160, 1426304, 1782880, 1944960, 2139456, 2674320, 3565760, 4278912, 5348640, 7131520, 10697280, 21394560]

約数ペア:

[(1, 21394560), (2, 10697280), (3, 7131520), (4, 5348640), (5, 4278912), (6, 3565760), (8, 2674320), (10, 2139456), (11, 1944960), (12, 1782880), (15, 1426304), (16, 1337160), (20, 1069728), (22, 972480), (24, 891440), (30, 713152), (32, 668580), (33, 648320), (40, 534864), (44, 486240), (48, 445720), (55, 388992), (60, 356576), (64, 334290), (66, 324160), (80, 267432), (88, 243120), (96, 222860), (110, 194496), (120, 178288), (128, 167145), (132, 162080), (160, 133716), (165, 129664), (176, 121560), (192, 111430), (220, 97248), (240, 89144), (264, 81040), (320, 66858), (330, 64832), (352, 60780), (384, 55715), (440, 48624), (480, 44572), (528, 40520), (640, 33429), (660, 32416), (704, 30390), (880, 24312), (960, 22286), (1013, 21120), (1056, 20260), (1320, 16208), (1408, 15195), (1760, 12156), (1920, 11143), (2026, 10560), (2112, 10130), (2640, 8104), (3039, 7040), (3520, 6078), (4052, 5280), (4224, 5065)]