21668976

素因数分解:

$2^4\times 3^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{83}}^1$

素因数の和:148

約数の個数: 180

約数和(自身を含む): 73323432

約数和(自身を除く): 51654456

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 37, 42, 48, 49, 56, 63, 72, 74, 83, 84, 98, 111, 112, 126, 144, 147, 148, 166, 168, 196, 222, 249, 252, 259, 294, 296, 332, 333, 336, 392, 441, 444, 498, 504, 518, 581, 588, 592, 664, 666, 747, 777, 784, 882, 888, 996, 1008, 1036, 1162, 1176, 1328, 1332, 1494, 1554, 1743, 1764, 1776, 1813, 1992, 2072, 2324, 2331, 2352, 2664, 2988, 3071, 3108, 3486, 3528, 3626, 3984, 4067, 4144, 4648, 4662, 5229, 5328, 5439, 5976, 6142, 6216, 6972, 7056, 7252, 8134, 9213, 9296, 9324, 10458, 10878, 11952, 12201, 12284, 12432, 13944, 14504, 16268, 16317, 18426, 18648, 20916, 21497, 21756, 24402, 24568, 27639, 27888, 29008, 32536, 32634, 36603, 36852, 37296, 41832, 42994, 43512, 48804, 49136, 55278, 64491, 65072, 65268, 73206, 73704, 83664, 85988, 87024, 97608, 110556, 128982, 130536, 146412, 147408, 150479, 171976, 193473, 195216, 221112, 257964, 261072, 292824, 300958, 343952, 386946, 442224, 451437, 515928, 585648, 601916, 773892, 902874, 1031856, 1203832, 1354311, 1547784, 1805748, 2407664, 2708622, 3095568, 3611496, 5417244, 7222992, 10834488, 21668976]

約数ペア:

[(1, 21668976), (2, 10834488), (3, 7222992), (4, 5417244), (6, 3611496), (7, 3095568), (8, 2708622), (9, 2407664), (12, 1805748), (14, 1547784), (16, 1354311), (18, 1203832), (21, 1031856), (24, 902874), (28, 773892), (36, 601916), (37, 585648), (42, 515928), (48, 451437), (49, 442224), (56, 386946), (63, 343952), (72, 300958), (74, 292824), (83, 261072), (84, 257964), (98, 221112), (111, 195216), (112, 193473), (126, 171976), (144, 150479), (147, 147408), (148, 146412), (166, 130536), (168, 128982), (196, 110556), (222, 97608), (249, 87024), (252, 85988), (259, 83664), (294, 73704), (296, 73206), (332, 65268), (333, 65072), (336, 64491), (392, 55278), (441, 49136), (444, 48804), (498, 43512), (504, 42994), (518, 41832), (581, 37296), (588, 36852), (592, 36603), (664, 32634), (666, 32536), (747, 29008), (777, 27888), (784, 27639), (882, 24568), (888, 24402), (996, 21756), (1008, 21497), (1036, 20916), (1162, 18648), (1176, 18426), (1328, 16317), (1332, 16268), (1494, 14504), (1554, 13944), (1743, 12432), (1764, 12284), (1776, 12201), (1813, 11952), (1992, 10878), (2072, 10458), (2324, 9324), (2331, 9296), (2352, 9213), (2664, 8134), (2988, 7252), (3071, 7056), (3108, 6972), (3486, 6216), (3528, 6142), (3626, 5976), (3984, 5439), (4067, 5328), (4144, 5229), (4648, 4662)]