21895440

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{13033}}^1$

素因数の和:13056

約数の個数: 80

約数和(自身を含む): 77578368

約数和(自身を除く): 55682928

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 13033, 26066, 39099, 52132, 65165, 78198, 91231, 104264, 130330, 156396, 182462, 195495, 208528, 260660, 273693, 312792, 364924, 390990, 456155, 521320, 547386, 625584, 729848, 781980, 912310, 1042640, 1094772, 1368465, 1459696, 1563960, 1824620, 2189544, 2736930, 3127920, 3649240, 4379088, 5473860, 7298480, 10947720, 21895440]

約数ペア:

[(1, 21895440), (2, 10947720), (3, 7298480), (4, 5473860), (5, 4379088), (6, 3649240), (7, 3127920), (8, 2736930), (10, 2189544), (12, 1824620), (14, 1563960), (15, 1459696), (16, 1368465), (20, 1094772), (21, 1042640), (24, 912310), (28, 781980), (30, 729848), (35, 625584), (40, 547386), (42, 521320), (48, 456155), (56, 390990), (60, 364924), (70, 312792), (80, 273693), (84, 260660), (105, 208528), (112, 195495), (120, 182462), (140, 156396), (168, 130330), (210, 104264), (240, 91231), (280, 78198), (336, 65165), (420, 52132), (560, 39099), (840, 26066), (1680, 13033)]