21286719024

素因数分解:

$2^4\times 3^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{117851}}^1$

素因数の和:117986

約数の個数: 80

約数和(自身を含む): 56817863424

約数和(自身を除く): 35531144400

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 53, 71, 106, 142, 159, 212, 213, 284, 318, 424, 426, 568, 636, 848, 852, 1136, 1272, 1704, 2544, 3408, 3763, 7526, 11289, 15052, 22578, 30104, 45156, 60208, 90312, 117851, 180624, 235702, 353553, 471404, 707106, 942808, 1414212, 1885616, 2828424, 5656848, 6246103, 8367421, 12492206, 16734842, 18738309, 24984412, 25102263, 33469684, 37476618, 49968824, 50204526, 66939368, 74953236, 99937648, 100409052, 133878736, 149906472, 200818104, 299812944, 401636208, 443473313, 886946626, 1330419939, 1773893252, 2660839878, 3547786504, 5321679756, 7095573008, 10643359512, 21286719024]

約数ペア:

[(1, 21286719024), (2, 10643359512), (3, 7095573008), (4, 5321679756), (6, 3547786504), (8, 2660839878), (12, 1773893252), (16, 1330419939), (24, 886946626), (48, 443473313), (53, 401636208), (71, 299812944), (106, 200818104), (142, 149906472), (159, 133878736), (212, 100409052), (213, 99937648), (284, 74953236), (318, 66939368), (424, 50204526), (426, 49968824), (568, 37476618), (636, 33469684), (848, 25102263), (852, 24984412), (1136, 18738309), (1272, 16734842), (1704, 12492206), (2544, 8367421), (3408, 6246103), (3763, 5656848), (7526, 2828424), (11289, 1885616), (15052, 1414212), (22578, 942808), (30104, 707106), (45156, 471404), (60208, 353553), (90312, 235702), (117851, 180624)]