21022472

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{331}}^1\times {\mathrm{467}}^1$

素因数の和:821

約数の個数: 32

約数和(自身を含む): 41951520

約数和(自身を除く): 20929048

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 331, 467, 662, 934, 1324, 1868, 2648, 3736, 5627, 7939, 11254, 15878, 22508, 31756, 45016, 63512, 154577, 309154, 618308, 1236616, 2627809, 5255618, 10511236, 21022472]

約数ペア:

[(1, 21022472), (2, 10511236), (4, 5255618), (8, 2627809), (17, 1236616), (34, 618308), (68, 309154), (136, 154577), (331, 63512), (467, 45016), (662, 31756), (934, 22508), (1324, 15878), (1868, 11254), (2648, 7939), (3736, 5627)]