21311574

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^2\times {\mathrm{113}}^1$

素因数の和:221

約数の個数: 48

約数和(自身を含む): 46613232

約数和(自身を除く): 25301658

約数列:

[1, 2, 3, 6, 17, 34, 43, 51, 86, 102, 113, 129, 226, 258, 339, 678, 731, 1462, 1849, 1921, 2193, 3698, 3842, 4386, 4859, 5547, 5763, 9718, 11094, 11526, 14577, 29154, 31433, 62866, 82603, 94299, 165206, 188598, 208937, 247809, 417874, 495618, 626811, 1253622, 3551929, 7103858, 10655787, 21311574]

約数ペア:

[(1, 21311574), (2, 10655787), (3, 7103858), (6, 3551929), (17, 1253622), (34, 626811), (43, 495618), (51, 417874), (86, 247809), (102, 208937), (113, 188598), (129, 165206), (226, 94299), (258, 82603), (339, 62866), (678, 31433), (731, 29154), (1462, 14577), (1849, 11526), (1921, 11094), (2193, 9718), (3698, 5763), (3842, 5547), (4386, 4859)]