1821721608

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{516361}}^1$

素因数の和:516387

約数の個数: 72

約数和(自身を含む): 5739363630

約数和(自身を除く): 3917642022

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 49, 56, 63, 72, 84, 98, 126, 147, 168, 196, 252, 294, 392, 441, 504, 588, 882, 1176, 1764, 3528, 516361, 1032722, 1549083, 2065444, 3098166, 3614527, 4130888, 4647249, 6196332, 7229054, 9294498, 10843581, 12392664, 14458108, 18588996, 21687162, 25301689, 28916216, 32530743, 37177992, 43374324, 50603378, 65061486, 75905067, 86748648, 101206756, 130122972, 151810134, 202413512, 227715201, 260245944, 303620268, 455430402, 607240536, 910860804, 1821721608]

約数ペア:

[(1, 1821721608), (2, 910860804), (3, 607240536), (4, 455430402), (6, 303620268), (7, 260245944), (8, 227715201), (9, 202413512), (12, 151810134), (14, 130122972), (18, 101206756), (21, 86748648), (24, 75905067), (28, 65061486), (36, 50603378), (42, 43374324), (49, 37177992), (56, 32530743), (63, 28916216), (72, 25301689), (84, 21687162), (98, 18588996), (126, 14458108), (147, 12392664), (168, 10843581), (196, 9294498), (252, 7229054), (294, 6196332), (392, 4647249), (441, 4130888), (504, 3614527), (588, 3098166), (882, 2065444), (1176, 1549083), (1764, 1032722), (3528, 516361)]