21992984

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{16267}}^1$

素因数の和:16299

約数の個数: 24

約数和(自身を含む): 44655660

約数和(自身を除く): 22662676

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 338, 676, 1352, 16267, 32534, 65068, 130136, 211471, 422942, 845884, 1691768, 2749123, 5498246, 10996492, 21992984]

約数ペア:

[(1, 21992984), (2, 10996492), (4, 5498246), (8, 2749123), (13, 1691768), (26, 845884), (52, 422942), (104, 211471), (169, 130136), (338, 65068), (676, 32534), (1352, 16267)]