21482286

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{821}}^1$

素因数の和:929

約数の個数: 48

約数和(自身を含む): 50602320

約数和(自身を除く): 29120034

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 89, 98, 147, 178, 267, 294, 534, 623, 821, 1246, 1642, 1869, 2463, 3738, 4361, 4926, 5747, 8722, 11494, 13083, 17241, 26166, 34482, 40229, 73069, 80458, 120687, 146138, 219207, 241374, 438414, 511483, 1022966, 1534449, 3068898, 3580381, 7160762, 10741143, 21482286]

約数ペア:

[(1, 21482286), (2, 10741143), (3, 7160762), (6, 3580381), (7, 3068898), (14, 1534449), (21, 1022966), (42, 511483), (49, 438414), (89, 241374), (98, 219207), (147, 146138), (178, 120687), (267, 80458), (294, 73069), (534, 40229), (623, 34482), (821, 26166), (1246, 17241), (1642, 13083), (1869, 11494), (2463, 8722), (3738, 5747), (4361, 4926)]