21397535604

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{97327}}^1$

素因数の和:97565

約数の個数: 72

約数和(自身を含む): 56116988928

約数和(自身を除く): 34719453324

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 186, 197, 279, 372, 394, 558, 591, 788, 1116, 1182, 1773, 2364, 3546, 6107, 7092, 12214, 18321, 24428, 36642, 54963, 73284, 97327, 109926, 194654, 219852, 291981, 389308, 583962, 875943, 1167924, 1751886, 3017137, 3503772, 6034274, 9051411, 12068548, 18102822, 19173419, 27154233, 36205644, 38346838, 54308466, 57520257, 76693676, 108616932, 115040514, 172560771, 230081028, 345121542, 594375989, 690243084, 1188751978, 1783127967, 2377503956, 3566255934, 5349383901, 7132511868, 10698767802, 21397535604]

約数ペア:

[(1, 21397535604), (2, 10698767802), (3, 7132511868), (4, 5349383901), (6, 3566255934), (9, 2377503956), (12, 1783127967), (18, 1188751978), (31, 690243084), (36, 594375989), (62, 345121542), (93, 230081028), (124, 172560771), (186, 115040514), (197, 108616932), (279, 76693676), (372, 57520257), (394, 54308466), (558, 38346838), (591, 36205644), (788, 27154233), (1116, 19173419), (1182, 18102822), (1773, 12068548), (2364, 9051411), (3546, 6034274), (6107, 3503772), (7092, 3017137), (12214, 1751886), (18321, 1167924), (24428, 875943), (36642, 583962), (54963, 389308), (73284, 291981), (97327, 219852), (109926, 194654)]