21417354

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1$

素因数の和:184

約数の個数: 96

約数和(自身を含む): 56010240

約数和(自身を除く): 34592886

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 43, 59, 63, 67, 86, 118, 126, 129, 134, 177, 201, 258, 301, 354, 387, 402, 413, 469, 531, 602, 603, 774, 826, 903, 938, 1062, 1206, 1239, 1407, 1806, 2478, 2537, 2709, 2814, 2881, 3717, 3953, 4221, 5074, 5418, 5762, 7434, 7611, 7906, 8442, 8643, 11859, 15222, 17286, 17759, 20167, 22833, 23718, 25929, 27671, 35518, 35577, 40334, 45666, 51858, 53277, 55342, 60501, 71154, 83013, 106554, 121002, 159831, 166026, 169979, 181503, 249039, 319662, 339958, 363006, 498078, 509937, 1019874, 1189853, 1529811, 2379706, 3059622, 3569559, 7139118, 10708677, 21417354]

約数ペア:

[(1, 21417354), (2, 10708677), (3, 7139118), (6, 3569559), (7, 3059622), (9, 2379706), (14, 1529811), (18, 1189853), (21, 1019874), (42, 509937), (43, 498078), (59, 363006), (63, 339958), (67, 319662), (86, 249039), (118, 181503), (126, 169979), (129, 166026), (134, 159831), (177, 121002), (201, 106554), (258, 83013), (301, 71154), (354, 60501), (387, 55342), (402, 53277), (413, 51858), (469, 45666), (531, 40334), (602, 35577), (603, 35518), (774, 27671), (826, 25929), (903, 23718), (938, 22833), (1062, 20167), (1206, 17759), (1239, 17286), (1407, 15222), (1806, 11859), (2478, 8643), (2537, 8442), (2709, 7906), (2814, 7611), (2881, 7434), (3717, 5762), (3953, 5418), (4221, 5074)]