21857154

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{61}}^2\times {\mathrm{89}}^1$

素因数の和:227

約数の個数: 48

約数和(自身を含む): 49027680

約数和(自身を除く): 27170526

約数列:

[1, 2, 3, 6, 11, 22, 33, 61, 66, 89, 122, 178, 183, 267, 366, 534, 671, 979, 1342, 1958, 2013, 2937, 3721, 4026, 5429, 5874, 7442, 10858, 11163, 16287, 22326, 32574, 40931, 59719, 81862, 119438, 122793, 179157, 245586, 331169, 358314, 662338, 993507, 1987014, 3642859, 7285718, 10928577, 21857154]

約数ペア:

[(1, 21857154), (2, 10928577), (3, 7285718), (6, 3642859), (11, 1987014), (22, 993507), (33, 662338), (61, 358314), (66, 331169), (89, 245586), (122, 179157), (178, 122793), (183, 119438), (267, 81862), (366, 59719), (534, 40931), (671, 32574), (979, 22326), (1342, 16287), (1958, 11163), (2013, 10858), (2937, 7442), (3721, 5874), (4026, 5429)]