21240544

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{51059}}^1$

素因数の和:51082

約数の個数: 24

約数和(自身を含む): 45034920

約数和(自身を除く): 23794376

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 51059, 102118, 204236, 408472, 663767, 816944, 1327534, 1633888, 2655068, 5310136, 10620272, 21240544]

約数ペア:

[(1, 21240544), (2, 10620272), (4, 5310136), (8, 2655068), (13, 1633888), (16, 1327534), (26, 816944), (32, 663767), (52, 408472), (104, 204236), (208, 102118), (416, 51059)]