21060480

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{1567}}^1$

素因数の和:1596

約数の個数: 128

約数和(自身を含む): 76769280

約数和(自身を除く): 55708800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 840, 896, 960, 1120, 1344, 1567, 1680, 1920, 2240, 2688, 3134, 3360, 4480, 4701, 6268, 6720, 7835, 9402, 10969, 12536, 13440, 15670, 18804, 21938, 23505, 25072, 31340, 32907, 37608, 43876, 47010, 50144, 54845, 62680, 65814, 75216, 87752, 94020, 100288, 109690, 125360, 131628, 150432, 164535, 175504, 188040, 200576, 219380, 250720, 263256, 300864, 329070, 351008, 376080, 438760, 501440, 526512, 601728, 658140, 702016, 752160, 877520, 1002880, 1053024, 1316280, 1404032, 1504320, 1755040, 2106048, 2632560, 3008640, 3510080, 4212096, 5265120, 7020160, 10530240, 21060480]

約数ペア:

[(1, 21060480), (2, 10530240), (3, 7020160), (4, 5265120), (5, 4212096), (6, 3510080), (7, 3008640), (8, 2632560), (10, 2106048), (12, 1755040), (14, 1504320), (15, 1404032), (16, 1316280), (20, 1053024), (21, 1002880), (24, 877520), (28, 752160), (30, 702016), (32, 658140), (35, 601728), (40, 526512), (42, 501440), (48, 438760), (56, 376080), (60, 351008), (64, 329070), (70, 300864), (80, 263256), (84, 250720), (96, 219380), (105, 200576), (112, 188040), (120, 175504), (128, 164535), (140, 150432), (160, 131628), (168, 125360), (192, 109690), (210, 100288), (224, 94020), (240, 87752), (280, 75216), (320, 65814), (336, 62680), (384, 54845), (420, 50144), (448, 47010), (480, 43876), (560, 37608), (640, 32907), (672, 31340), (840, 25072), (896, 23505), (960, 21938), (1120, 18804), (1344, 15670), (1567, 13440), (1680, 12536), (1920, 10969), (2240, 9402), (2688, 7835), (3134, 6720), (3360, 6268), (4480, 4701)]