2121819

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{191}}^1$

素因数の和:247

約数の個数: 24

約数和(自身を含む): 3397632

約数和(自身を除く): 1275813

約数列:

[1, 3, 7, 21, 23, 69, 161, 191, 483, 529, 573, 1337, 1587, 3703, 4011, 4393, 11109, 13179, 30751, 92253, 101039, 303117, 707273, 2121819]

約数ペア:

[(1, 2121819), (3, 707273), (7, 303117), (21, 101039), (23, 92253), (69, 30751), (161, 13179), (191, 11109), (483, 4393), (529, 4011), (573, 3703), (1337, 1587)]