21813246

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1$

素因数の和:247

約数の個数: 128

約数和(自身を含む): 62576640

約数和(自身を除く): 40763394

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 23, 26, 27, 39, 42, 46, 54, 63, 69, 78, 91, 117, 126, 138, 161, 182, 189, 193, 207, 234, 273, 299, 322, 351, 378, 386, 414, 483, 546, 579, 598, 621, 702, 819, 897, 966, 1158, 1242, 1351, 1449, 1638, 1737, 1794, 2093, 2457, 2509, 2691, 2702, 2898, 3474, 4053, 4186, 4347, 4439, 4914, 5018, 5211, 5382, 6279, 7527, 8073, 8106, 8694, 8878, 10422, 12159, 12558, 13317, 15054, 16146, 17563, 18837, 22581, 24318, 26634, 31073, 35126, 36477, 37674, 39951, 45162, 52689, 56511, 57707, 62146, 67743, 72954, 79902, 93219, 105378, 113022, 115414, 119853, 135486, 158067, 173121, 186438, 239706, 279657, 316134, 346242, 403949, 474201, 519363, 559314, 807898, 838971, 948402, 1038726, 1211847, 1558089, 1677942, 2423694, 3116178, 3635541, 7271082, 10906623, 21813246]

約数ペア:

[(1, 21813246), (2, 10906623), (3, 7271082), (6, 3635541), (7, 3116178), (9, 2423694), (13, 1677942), (14, 1558089), (18, 1211847), (21, 1038726), (23, 948402), (26, 838971), (27, 807898), (39, 559314), (42, 519363), (46, 474201), (54, 403949), (63, 346242), (69, 316134), (78, 279657), (91, 239706), (117, 186438), (126, 173121), (138, 158067), (161, 135486), (182, 119853), (189, 115414), (193, 113022), (207, 105378), (234, 93219), (273, 79902), (299, 72954), (322, 67743), (351, 62146), (378, 57707), (386, 56511), (414, 52689), (483, 45162), (546, 39951), (579, 37674), (598, 36477), (621, 35126), (702, 31073), (819, 26634), (897, 24318), (966, 22581), (1158, 18837), (1242, 17563), (1351, 16146), (1449, 15054), (1638, 13317), (1737, 12558), (1794, 12159), (2093, 10422), (2457, 8878), (2509, 8694), (2691, 8106), (2702, 8073), (2898, 7527), (3474, 6279), (4053, 5382), (4186, 5211), (4347, 5018), (4439, 4914)]