21156083760

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{12592907}}^1$

素因数の和:12592930

約数の個数: 80

約数和(自身を含む): 74952988416

約数和(自身を除く): 53796904656

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, 12592907, 25185814, 37778721, 50371628, 62964535, 75557442, 88150349, 100743256, 125929070, 151114884, 176300698, 188893605, 201486512, 251858140, 264451047, 302229768, 352601396, 377787210, 440751745, 503716280, 528902094, 604459536, 705202792, 755574420, 881503490, 1007432560, 1057804188, 1322255235, 1410405584, 1511148840, 1763006980, 2115608376, 2644510470, 3022297680, 3526013960, 4231216752, 5289020940, 7052027920, 10578041880, 21156083760]

約数ペア:

[(1, 21156083760), (2, 10578041880), (3, 7052027920), (4, 5289020940), (5, 4231216752), (6, 3526013960), (7, 3022297680), (8, 2644510470), (10, 2115608376), (12, 1763006980), (14, 1511148840), (15, 1410405584), (16, 1322255235), (20, 1057804188), (21, 1007432560), (24, 881503490), (28, 755574420), (30, 705202792), (35, 604459536), (40, 528902094), (42, 503716280), (48, 440751745), (56, 377787210), (60, 352601396), (70, 302229768), (80, 264451047), (84, 251858140), (105, 201486512), (112, 188893605), (120, 176300698), (140, 151114884), (168, 125929070), (210, 100743256), (240, 88150349), (280, 75557442), (336, 62964535), (420, 50371628), (560, 37778721), (840, 25185814), (1680, 12592907)]