2021096721

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{449}}^1\times {\mathrm{3019}}^1$

素因数の和:3549

約数の個数: 32

約数和(自身を含む): 3131136000

約数和(自身を除く): 1110039279

約数列:

[1, 3, 7, 21, 71, 213, 449, 497, 1347, 1491, 3019, 3143, 9057, 9429, 21133, 31879, 63399, 95637, 214349, 223153, 643047, 669459, 1355531, 1500443, 4066593, 4501329, 9488717, 28466151, 96242701, 288728103, 673698907, 2021096721]

約数ペア:

[(1, 2021096721), (3, 673698907), (7, 288728103), (21, 96242701), (71, 28466151), (213, 9488717), (449, 4501329), (497, 4066593), (1347, 1500443), (1491, 1355531), (3019, 669459), (3143, 643047), (9057, 223153), (9429, 214349), (21133, 95637), (31879, 63399)]