21782124

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:200

約数の個数: 144

約数和(自身を含む): 69509440

約数和(自身を除く): 47727316

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 61, 63, 78, 84, 91, 109, 117, 122, 126, 156, 182, 183, 218, 234, 244, 252, 273, 327, 364, 366, 427, 436, 468, 546, 549, 654, 732, 763, 793, 819, 854, 981, 1092, 1098, 1281, 1308, 1417, 1526, 1586, 1638, 1708, 1962, 2196, 2289, 2379, 2562, 2834, 3052, 3172, 3276, 3843, 3924, 4251, 4578, 4758, 5124, 5551, 5668, 6649, 6867, 7137, 7686, 8502, 9156, 9516, 9919, 11102, 12753, 13298, 13734, 14274, 15372, 16653, 17004, 19838, 19947, 22204, 25506, 26596, 27468, 28548, 29757, 33306, 39676, 39894, 46543, 49959, 51012, 59514, 59841, 66612, 79788, 86437, 89271, 93086, 99918, 119028, 119682, 139629, 172874, 178542, 186172, 199836, 239364, 259311, 279258, 345748, 357084, 418887, 518622, 558516, 605059, 777933, 837774, 1037244, 1210118, 1555866, 1675548, 1815177, 2420236, 3111732, 3630354, 5445531, 7260708, 10891062, 21782124]

約数ペア:

[(1, 21782124), (2, 10891062), (3, 7260708), (4, 5445531), (6, 3630354), (7, 3111732), (9, 2420236), (12, 1815177), (13, 1675548), (14, 1555866), (18, 1210118), (21, 1037244), (26, 837774), (28, 777933), (36, 605059), (39, 558516), (42, 518622), (52, 418887), (61, 357084), (63, 345748), (78, 279258), (84, 259311), (91, 239364), (109, 199836), (117, 186172), (122, 178542), (126, 172874), (156, 139629), (182, 119682), (183, 119028), (218, 99918), (234, 93086), (244, 89271), (252, 86437), (273, 79788), (327, 66612), (364, 59841), (366, 59514), (427, 51012), (436, 49959), (468, 46543), (546, 39894), (549, 39676), (654, 33306), (732, 29757), (763, 28548), (793, 27468), (819, 26596), (854, 25506), (981, 22204), (1092, 19947), (1098, 19838), (1281, 17004), (1308, 16653), (1417, 15372), (1526, 14274), (1586, 13734), (1638, 13298), (1708, 12753), (1962, 11102), (2196, 9919), (2289, 9516), (2379, 9156), (2562, 8502), (2834, 7686), (3052, 7137), (3172, 6867), (3276, 6649), (3843, 5668), (3924, 5551), (4251, 5124), (4578, 4758)]