21996198

素因数分解:

$2^1\times 3^4\times 7^2\times {\mathrm{17}}^1\times {\mathrm{163}}^1$

素因数の和:208

約数の個数: 120

約数和(自身を含む): 61079832

約数和(自身を除く): 39083634

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 21, 27, 34, 42, 49, 51, 54, 63, 81, 98, 102, 119, 126, 147, 153, 162, 163, 189, 238, 294, 306, 326, 357, 378, 441, 459, 489, 567, 714, 833, 882, 918, 978, 1071, 1134, 1141, 1323, 1377, 1467, 1666, 2142, 2282, 2499, 2646, 2754, 2771, 2934, 3213, 3423, 3969, 4401, 4998, 5542, 6426, 6846, 7497, 7938, 7987, 8313, 8802, 9639, 10269, 13203, 14994, 15974, 16626, 19278, 19397, 20538, 22491, 23961, 24939, 26406, 30807, 38794, 44982, 47922, 49878, 58191, 61614, 67473, 71883, 74817, 92421, 116382, 134946, 135779, 143766, 149634, 174573, 184842, 215649, 224451, 271558, 349146, 407337, 431298, 448902, 523719, 646947, 814674, 1047438, 1222011, 1293894, 1571157, 2444022, 3142314, 3666033, 7332066, 10998099, 21996198]

約数ペア:

[(1, 21996198), (2, 10998099), (3, 7332066), (6, 3666033), (7, 3142314), (9, 2444022), (14, 1571157), (17, 1293894), (18, 1222011), (21, 1047438), (27, 814674), (34, 646947), (42, 523719), (49, 448902), (51, 431298), (54, 407337), (63, 349146), (81, 271558), (98, 224451), (102, 215649), (119, 184842), (126, 174573), (147, 149634), (153, 143766), (162, 135779), (163, 134946), (189, 116382), (238, 92421), (294, 74817), (306, 71883), (326, 67473), (357, 61614), (378, 58191), (441, 49878), (459, 47922), (489, 44982), (567, 38794), (714, 30807), (833, 26406), (882, 24939), (918, 23961), (978, 22491), (1071, 20538), (1134, 19397), (1141, 19278), (1323, 16626), (1377, 15974), (1467, 14994), (1666, 13203), (2142, 10269), (2282, 9639), (2499, 8802), (2646, 8313), (2754, 7987), (2771, 7938), (2934, 7497), (3213, 6846), (3423, 6426), (3969, 5542), (4401, 4998)]