21796071

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{17851}}^1$

素因数の和:17902

約数の個数: 16

約数和(自身を含む): 32562048

約数和(自身を除く): 10765977

約数列:

[1, 3, 11, 33, 37, 111, 407, 1221, 17851, 53553, 196361, 589083, 660487, 1981461, 7265357, 21796071]

約数ペア:

[(1, 21796071), (3, 7265357), (11, 1981461), (33, 660487), (37, 589083), (111, 196361), (407, 53553), (1221, 17851)]