20921616562

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{12350423}}^1$

素因数の和:12350454

約数の個数: 24

約数和(自身を含む): 39422553408

約数和(自身を除く): 18500936846

約数列:

[1, 2, 7, 11, 14, 22, 77, 121, 154, 242, 847, 1694, 12350423, 24700846, 86452961, 135854653, 172905922, 271709306, 950982571, 1494401183, 1901965142, 2988802366, 10460808281, 20921616562]

約数ペア:

[(1, 20921616562), (2, 10460808281), (7, 2988802366), (11, 1901965142), (14, 1494401183), (22, 950982571), (77, 271709306), (121, 172905922), (154, 135854653), (242, 86452961), (847, 24700846), (1694, 12350423)]