21103434218

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{401}}^1\times {\mathrm{431369}}^1$

素因数の和:431833

約数の個数: 16

約数和(自身を含む): 32254397640

約数和(自身を除く): 11150963422

約数列:

[1, 2, 61, 122, 401, 802, 24461, 48922, 431369, 862738, 26313509, 52627018, 172978969, 345957938, 10551717109, 21103434218]

約数ペア:

[(1, 21103434218), (2, 10551717109), (61, 345957938), (122, 172978969), (401, 52627018), (802, 26313509), (24461, 862738), (48922, 431369)]