21272474874

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{191}}^1\times {\mathrm{743}}^1$

素因数の和:1072

約数の個数: 128

約数和(自身を含む): 50684755968

約数和(自身を除く): 29412281094

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 43, 83, 86, 129, 166, 191, 249, 258, 301, 382, 498, 573, 581, 602, 743, 903, 1146, 1162, 1337, 1486, 1743, 1806, 2229, 2674, 3486, 3569, 4011, 4458, 5201, 7138, 8022, 8213, 10402, 10707, 15603, 15853, 16426, 21414, 24639, 24983, 31206, 31706, 31949, 47559, 49278, 49966, 57491, 61669, 63898, 74949, 95118, 95847, 110971, 114982, 123338, 141913, 149898, 172473, 185007, 191694, 221942, 223643, 283826, 332913, 344946, 370014, 425739, 431683, 447286, 665826, 670929, 681679, 851478, 863366, 993391, 1295049, 1341858, 1363358, 1986782, 2045037, 2590098, 2651767, 2980173, 4090074, 4771753, 5303534, 5960346, 6102259, 7955301, 9543506, 11778779, 12204518, 14315259, 15910602, 18306777, 18562369, 23557558, 28630518, 35336337, 36613554, 37124738, 42715813, 55687107, 70672674, 82451453, 85431626, 111374214, 128147439, 164902906, 247354359, 256294878, 494708718, 506487497, 1012974994, 1519462491, 3038924982, 3545412479, 7090824958, 10636237437, 21272474874]

約数ペア:

[(1, 21272474874), (2, 10636237437), (3, 7090824958), (6, 3545412479), (7, 3038924982), (14, 1519462491), (21, 1012974994), (42, 506487497), (43, 494708718), (83, 256294878), (86, 247354359), (129, 164902906), (166, 128147439), (191, 111374214), (249, 85431626), (258, 82451453), (301, 70672674), (382, 55687107), (498, 42715813), (573, 37124738), (581, 36613554), (602, 35336337), (743, 28630518), (903, 23557558), (1146, 18562369), (1162, 18306777), (1337, 15910602), (1486, 14315259), (1743, 12204518), (1806, 11778779), (2229, 9543506), (2674, 7955301), (3486, 6102259), (3569, 5960346), (4011, 5303534), (4458, 4771753), (5201, 4090074), (7138, 2980173), (8022, 2651767), (8213, 2590098), (10402, 2045037), (10707, 1986782), (15603, 1363358), (15853, 1341858), (16426, 1295049), (21414, 993391), (24639, 863366), (24983, 851478), (31206, 681679), (31706, 670929), (31949, 665826), (47559, 447286), (49278, 431683), (49966, 425739), (57491, 370014), (61669, 344946), (63898, 332913), (74949, 283826), (95118, 223643), (95847, 221942), (110971, 191694), (114982, 185007), (123338, 172473), (141913, 149898)]