21006306

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{31541}}^1$

素因数の和:31586

約数の個数: 24

約数和(自身を含む): 46745244

約数和(自身を除く): 25738938

約数列:

[1, 2, 3, 6, 9, 18, 37, 74, 111, 222, 333, 666, 31541, 63082, 94623, 189246, 283869, 567738, 1167017, 2334034, 3501051, 7002102, 10503153, 21006306]

約数ペア:

[(1, 21006306), (2, 10503153), (3, 7002102), (6, 3501051), (9, 2334034), (18, 1167017), (37, 567738), (74, 283869), (111, 189246), (222, 94623), (333, 63082), (666, 31541)]