21613018

素因数分解:

$2^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{12973}}^1$

素因数の和:13006

約数の個数: 24

約数和(自身を含む): 39933972

約数和(自身を除く): 18320954

約数列:

[1, 2, 7, 14, 17, 34, 49, 98, 119, 238, 833, 1666, 12973, 25946, 90811, 181622, 220541, 441082, 635677, 1271354, 1543787, 3087574, 10806509, 21613018]

約数ペア:

[(1, 21613018), (2, 10806509), (7, 3087574), (14, 1543787), (17, 1271354), (34, 635677), (49, 441082), (98, 220541), (119, 181622), (238, 90811), (833, 25946), (1666, 12973)]