21181430760

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{813419}}^1$

素因数の和:813471

約数の個数: 128

約数和(自身を含む): 74964787200

約数和(自身を除く): 53783356440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 56, 60, 62, 70, 84, 93, 105, 120, 124, 140, 155, 168, 186, 210, 217, 248, 280, 310, 372, 420, 434, 465, 620, 651, 744, 840, 868, 930, 1085, 1240, 1302, 1736, 1860, 2170, 2604, 3255, 3720, 4340, 5208, 6510, 8680, 13020, 26040, 813419, 1626838, 2440257, 3253676, 4067095, 4880514, 5693933, 6507352, 8134190, 9761028, 11387866, 12201285, 16268380, 17081799, 19522056, 22775732, 24402570, 25215989, 28469665, 32536760, 34163598, 45551464, 48805140, 50431978, 56939330, 68327196, 75647967, 85408995, 97610280, 100863956, 113878660, 126079945, 136654392, 151295934, 170817990, 176511923, 201727912, 227757320, 252159890, 302591868, 341635980, 353023846, 378239835, 504319780, 529535769, 605183736, 683271960, 706047692, 756479670, 882559615, 1008639560, 1059071538, 1412095384, 1512959340, 1765119230, 2118143076, 2647678845, 3025918680, 3530238460, 4236286152, 5295357690, 7060476920, 10590715380, 21181430760]

約数ペア:

[(1, 21181430760), (2, 10590715380), (3, 7060476920), (4, 5295357690), (5, 4236286152), (6, 3530238460), (7, 3025918680), (8, 2647678845), (10, 2118143076), (12, 1765119230), (14, 1512959340), (15, 1412095384), (20, 1059071538), (21, 1008639560), (24, 882559615), (28, 756479670), (30, 706047692), (31, 683271960), (35, 605183736), (40, 529535769), (42, 504319780), (56, 378239835), (60, 353023846), (62, 341635980), (70, 302591868), (84, 252159890), (93, 227757320), (105, 201727912), (120, 176511923), (124, 170817990), (140, 151295934), (155, 136654392), (168, 126079945), (186, 113878660), (210, 100863956), (217, 97610280), (248, 85408995), (280, 75647967), (310, 68327196), (372, 56939330), (420, 50431978), (434, 48805140), (465, 45551464), (620, 34163598), (651, 32536760), (744, 28469665), (840, 25215989), (868, 24402570), (930, 22775732), (1085, 19522056), (1240, 17081799), (1302, 16268380), (1736, 12201285), (1860, 11387866), (2170, 9761028), (2604, 8134190), (3255, 6507352), (3720, 5693933), (4340, 4880514), (5208, 4067095), (6510, 3253676), (8680, 2440257), (13020, 1626838), (26040, 813419)]