21134685

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{167}}^1$

素因数の和:258

約数の個数: 64

約数和(自身を含む): 40642560

約数和(自身を除く): 19507875

約数列:

[1, 3, 5, 11, 13, 15, 33, 39, 55, 59, 65, 143, 165, 167, 177, 195, 295, 429, 501, 649, 715, 767, 835, 885, 1837, 1947, 2145, 2171, 2301, 2505, 3245, 3835, 5511, 6513, 8437, 9185, 9735, 9853, 10855, 11505, 23881, 25311, 27555, 29559, 32565, 42185, 49265, 71643, 108383, 119405, 126555, 128089, 147795, 325149, 358215, 384267, 541915, 640445, 1408979, 1625745, 1921335, 4226937, 7044895, 21134685]

約数ペア:

[(1, 21134685), (3, 7044895), (5, 4226937), (11, 1921335), (13, 1625745), (15, 1408979), (33, 640445), (39, 541915), (55, 384267), (59, 358215), (65, 325149), (143, 147795), (165, 128089), (167, 126555), (177, 119405), (195, 108383), (295, 71643), (429, 49265), (501, 42185), (649, 32565), (715, 29559), (767, 27555), (835, 25311), (885, 23881), (1837, 11505), (1947, 10855), (2145, 9853), (2171, 9735), (2301, 9185), (2505, 8437), (3245, 6513), (3835, 5511)]