21169492078

素因数分解:

$2^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{2017}}^1\times {\mathrm{5903}}^1$

素因数の和:8056

約数の個数: 32

約数和(自身を含む): 36600643584

約数和(自身を除く): 15431151506

約数列:

[1, 2, 7, 14, 127, 254, 889, 1778, 2017, 4034, 5903, 11806, 14119, 28238, 41321, 82642, 256159, 512318, 749681, 1499362, 1793113, 3586226, 5247767, 10495534, 11906351, 23812702, 83344457, 166688914, 1512106577, 3024213154, 10584746039, 21169492078]

約数ペア:

[(1, 21169492078), (2, 10584746039), (7, 3024213154), (14, 1512106577), (127, 166688914), (254, 83344457), (889, 23812702), (1778, 11906351), (2017, 10495534), (4034, 5247767), (5903, 3586226), (11806, 1793113), (14119, 1499362), (28238, 749681), (41321, 512318), (82642, 256159)]