20211513

素因数分解:

$3^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{4027}}^1$

素因数の和:4276

約数の個数: 16

約数和(自身を含む): 30935040

約数和(自身を除く): 10723527

約数列:

[1, 3, 7, 21, 239, 717, 1673, 4027, 5019, 12081, 28189, 84567, 962453, 2887359, 6737171, 20211513]

約数ペア:

[(1, 20211513), (3, 6737171), (7, 2887359), (21, 962453), (239, 84567), (717, 28189), (1673, 12081), (4027, 5019)]