21267674

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1$

素因数の和:270

約数の個数: 32

約数和(自身を含む): 34553856

約数和(自身を除く): 13286182

約数列:

[1, 2, 31, 37, 62, 73, 74, 127, 146, 254, 1147, 2263, 2294, 2701, 3937, 4526, 4699, 5402, 7874, 9271, 9398, 18542, 83731, 145669, 167462, 287401, 291338, 343027, 574802, 686054, 10633837, 21267674]

約数ペア:

[(1, 21267674), (2, 10633837), (31, 686054), (37, 574802), (62, 343027), (73, 291338), (74, 287401), (127, 167462), (146, 145669), (254, 83731), (1147, 18542), (2263, 9398), (2294, 9271), (2701, 7874), (3937, 5402), (4526, 4699)]