21465626

素因数分解:

$2^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1$

素因数の和:148

約数の個数: 64

約数和(自身を含む): 42336000

約数和(自身を除く): 20870374

約数列:

[1, 2, 7, 13, 14, 26, 29, 49, 58, 83, 91, 98, 166, 182, 203, 343, 377, 406, 581, 637, 686, 754, 1079, 1162, 1274, 1421, 2158, 2407, 2639, 2842, 4067, 4459, 4814, 5278, 7553, 8134, 8918, 9947, 15106, 16849, 18473, 19894, 28469, 31291, 33698, 36946, 52871, 56938, 62582, 105742, 117943, 129311, 219037, 235886, 258622, 370097, 438074, 740194, 825601, 1533259, 1651202, 3066518, 10732813, 21465626]

約数ペア:

[(1, 21465626), (2, 10732813), (7, 3066518), (13, 1651202), (14, 1533259), (26, 825601), (29, 740194), (49, 438074), (58, 370097), (83, 258622), (91, 235886), (98, 219037), (166, 129311), (182, 117943), (203, 105742), (343, 62582), (377, 56938), (406, 52871), (581, 36946), (637, 33698), (686, 31291), (754, 28469), (1079, 19894), (1162, 18473), (1274, 16849), (1421, 15106), (2158, 9947), (2407, 8918), (2639, 8134), (2842, 7553), (4067, 5278), (4459, 4814)]