21851334

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1123}}^1$

素因数の和:1201

約数の個数: 48

約数和(自身を含む): 50499072

約数和(自身を除く): 28647738

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 47, 69, 94, 138, 141, 207, 282, 414, 423, 846, 1081, 1123, 2162, 2246, 3243, 3369, 6486, 6738, 9729, 10107, 19458, 20214, 25829, 51658, 52781, 77487, 105562, 154974, 158343, 232461, 316686, 464922, 475029, 950058, 1213963, 2427926, 3641889, 7283778, 10925667, 21851334]

約数ペア:

[(1, 21851334), (2, 10925667), (3, 7283778), (6, 3641889), (9, 2427926), (18, 1213963), (23, 950058), (46, 475029), (47, 464922), (69, 316686), (94, 232461), (138, 158343), (141, 154974), (207, 105562), (282, 77487), (414, 52781), (423, 51658), (846, 25829), (1081, 20214), (1123, 19458), (2162, 10107), (2246, 9729), (3243, 6738), (3369, 6486)]