21851024

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{8081}}^1$

素因数の和:8115

約数の個数: 30

約数和(自身を含む): 45849186

約数和(自身を除く): 23998162

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 169, 208, 338, 676, 1352, 2704, 8081, 16162, 32324, 64648, 105053, 129296, 210106, 420212, 840424, 1365689, 1680848, 2731378, 5462756, 10925512, 21851024]

約数ペア:

[(1, 21851024), (2, 10925512), (4, 5462756), (8, 2731378), (13, 1680848), (16, 1365689), (26, 840424), (52, 420212), (104, 210106), (169, 129296), (208, 105053), (338, 64648), (676, 32324), (1352, 16162), (2704, 8081)]