2021216547

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{23689}}^1$

素因数の和:23955

約数の個数: 32

約数和(自身を含む): 3274905600

約数和(自身を除く): 1253689053

約数列:

[1, 3, 7, 17, 21, 51, 119, 239, 357, 717, 1673, 4063, 5019, 12189, 23689, 28441, 71067, 85323, 165823, 402713, 497469, 1208139, 2818991, 5661671, 8456973, 16985013, 39631697, 96248407, 118895091, 288745221, 673738849, 2021216547]

約数ペア:

[(1, 2021216547), (3, 673738849), (7, 288745221), (17, 118895091), (21, 96248407), (51, 39631697), (119, 16985013), (239, 8456973), (357, 5661671), (717, 2818991), (1673, 1208139), (4063, 497469), (5019, 402713), (12189, 165823), (23689, 85323), (28441, 71067)]