21205426

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{59}}^1$

素因数の和:151

約数の個数: 48

約数和(自身を含む): 38607840

約数和(自身を除く): 17402414

約数列:

[1, 2, 11, 17, 22, 31, 34, 59, 62, 118, 187, 341, 374, 527, 649, 682, 961, 1003, 1054, 1298, 1829, 1922, 2006, 3658, 5797, 10571, 11033, 11594, 16337, 20119, 21142, 22066, 31093, 32674, 40238, 56699, 62186, 113398, 179707, 342023, 359414, 623689, 684046, 963883, 1247378, 1927766, 10602713, 21205426]

約数ペア:

[(1, 21205426), (2, 10602713), (11, 1927766), (17, 1247378), (22, 963883), (31, 684046), (34, 623689), (59, 359414), (62, 342023), (118, 179707), (187, 113398), (341, 62186), (374, 56699), (527, 40238), (649, 32674), (682, 31093), (961, 22066), (1003, 21142), (1054, 20119), (1298, 16337), (1829, 11594), (1922, 11033), (2006, 10571), (3658, 5797)]