21845876

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{2347}}^1$

素因数の和:2543

約数の個数: 24

約数和(自身を含む): 41418720

約数和(自身を除く): 19572844

約数列:

[1, 2, 4, 13, 26, 52, 179, 358, 716, 2327, 2347, 4654, 4694, 9308, 9388, 30511, 61022, 122044, 420113, 840226, 1680452, 5461469, 10922938, 21845876]

約数ペア:

[(1, 21845876), (2, 10922938), (4, 5461469), (13, 1680452), (26, 840226), (52, 420113), (179, 122044), (358, 61022), (716, 30511), (2327, 9388), (2347, 9308), (4654, 4694)]