21796663

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{3659}}^1$

素因数の和:3726

約数の個数: 16

約数和(自身を含む): 26703360

約数和(自身を除く): 4906697

約数列:

[1, 7, 23, 37, 161, 259, 851, 3659, 5957, 25613, 84157, 135383, 589099, 947681, 3113809, 21796663]

約数ペア:

[(1, 21796663), (7, 3113809), (23, 947681), (37, 589099), (161, 135383), (259, 84157), (851, 25613), (3659, 5957)]