2102156987

素因数分解:

$7^2\times {\mathrm{181}}^1\times {\mathrm{421}}^1\times {\mathrm{563}}^1$

素因数の和:1179

約数の個数: 24

約数和(自身を含む): 2469094992

約数和(自身を除く): 366938005

約数列:

[1, 7, 49, 181, 421, 563, 1267, 2947, 3941, 8869, 20629, 27587, 76201, 101903, 237023, 533407, 713321, 1659161, 3733849, 4993247, 11614127, 42901163, 300308141, 2102156987]

約数ペア:

[(1, 2102156987), (7, 300308141), (49, 42901163), (181, 11614127), (421, 4993247), (563, 3733849), (1267, 1659161), (2947, 713321), (3941, 533407), (8869, 237023), (20629, 101903), (27587, 76201)]