21903426

素因数分解:

$2^1\times 3^3\times {\mathrm{43}}^1\times {\mathrm{9433}}^1$

素因数の和:9487

約数の個数: 32

約数和(自身を含む): 49811520

約数和(自身を除く): 27908094

約数列:

[1, 2, 3, 6, 9, 18, 27, 43, 54, 86, 129, 258, 387, 774, 1161, 2322, 9433, 18866, 28299, 56598, 84897, 169794, 254691, 405619, 509382, 811238, 1216857, 2433714, 3650571, 7301142, 10951713, 21903426]

約数ペア:

[(1, 21903426), (2, 10951713), (3, 7301142), (6, 3650571), (9, 2433714), (18, 1216857), (27, 811238), (43, 509382), (54, 405619), (86, 254691), (129, 169794), (258, 84897), (387, 56598), (774, 28299), (1161, 18866), (2322, 9433)]