21585135

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{347}}^1$

素因数の和:408

約数の個数: 64

約数和(自身を含む): 42094080

約数和(自身を除く): 20508945

約数列:

[1, 3, 5, 11, 13, 15, 29, 33, 39, 55, 65, 87, 143, 145, 165, 195, 319, 347, 377, 429, 435, 715, 957, 1041, 1131, 1595, 1735, 1885, 2145, 3817, 4147, 4511, 4785, 5205, 5655, 10063, 11451, 12441, 13533, 19085, 20735, 22555, 30189, 49621, 50315, 57255, 62205, 67665, 110693, 130819, 148863, 150945, 248105, 332079, 392457, 553465, 654095, 744315, 1439009, 1660395, 1962285, 4317027, 7195045, 21585135]

約数ペア:

[(1, 21585135), (3, 7195045), (5, 4317027), (11, 1962285), (13, 1660395), (15, 1439009), (29, 744315), (33, 654095), (39, 553465), (55, 392457), (65, 332079), (87, 248105), (143, 150945), (145, 148863), (165, 130819), (195, 110693), (319, 67665), (347, 62205), (377, 57255), (429, 50315), (435, 49621), (715, 30189), (957, 22555), (1041, 20735), (1131, 19085), (1595, 13533), (1735, 12441), (1885, 11451), (2145, 10063), (3817, 5655), (4147, 5205), (4511, 4785)]