21129769323

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{1613}}^1\times {\mathrm{37321}}^1$

素因数の和:38956

約数の個数: 32

約数和(自身を含む): 33733116480

約数和(自身を除く): 12603347157

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 1613, 4839, 14517, 20969, 37321, 43551, 62907, 111963, 188721, 335889, 485173, 566163, 1007667, 1455519, 4366557, 13099671, 60198773, 180596319, 541788957, 782584049, 1625366871, 2347752147, 7043256441, 21129769323]

約数ペア:

[(1, 21129769323), (3, 7043256441), (9, 2347752147), (13, 1625366871), (27, 782584049), (39, 541788957), (117, 180596319), (351, 60198773), (1613, 13099671), (4839, 4366557), (14517, 1455519), (20969, 1007667), (37321, 566163), (43551, 485173), (62907, 335889), (111963, 188721)]