21372846

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{4561}}^1$

素因数の和:4648

約数の個数: 32

約数和(自身を含む): 47298816

約数和(自身を除く): 25925970

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 71, 142, 213, 426, 781, 1562, 2343, 4561, 4686, 9122, 13683, 27366, 50171, 100342, 150513, 301026, 323831, 647662, 971493, 1942986, 3562141, 7124282, 10686423, 21372846]

約数ペア:

[(1, 21372846), (2, 10686423), (3, 7124282), (6, 3562141), (11, 1942986), (22, 971493), (33, 647662), (66, 323831), (71, 301026), (142, 150513), (213, 100342), (426, 50171), (781, 27366), (1562, 13683), (2343, 9122), (4561, 4686)]