21857374

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{141931}}^1$

素因数の和:141951

約数の個数: 16

約数和(自身を含む): 40876416

約数和(自身を除く): 19019042

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 141931, 283862, 993517, 1561241, 1987034, 3122482, 10928687, 21857374]

約数ペア:

[(1, 21857374), (2, 10928687), (7, 3122482), (11, 1987034), (14, 1561241), (22, 993517), (77, 283862), (154, 141931)]