21550998

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{11933}}^1$

素因数の和:11988

約数の個数: 32

約数和(自身を含む): 50409216

約数和(自身を除く): 28858218

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 43, 86, 129, 258, 301, 602, 903, 1806, 11933, 23866, 35799, 71598, 83531, 167062, 250593, 501186, 513119, 1026238, 1539357, 3078714, 3591833, 7183666, 10775499, 21550998]

約数ペア:

[(1, 21550998), (2, 10775499), (3, 7183666), (6, 3591833), (7, 3078714), (14, 1539357), (21, 1026238), (42, 513119), (43, 501186), (86, 250593), (129, 167062), (258, 83531), (301, 71598), (602, 35799), (903, 23866), (1806, 11933)]