21966052

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{389}}^1\times {\mathrm{743}}^1$

素因数の和:1155

約数の個数: 24

約数和(自身を含む): 40622400

約数和(自身を除く): 18656348

約数列:

[1, 2, 4, 19, 38, 76, 389, 743, 778, 1486, 1556, 2972, 7391, 14117, 14782, 28234, 29564, 56468, 289027, 578054, 1156108, 5491513, 10983026, 21966052]

約数ペア:

[(1, 21966052), (2, 10983026), (4, 5491513), (19, 1156108), (38, 578054), (76, 289027), (389, 56468), (743, 29564), (778, 28234), (1486, 14782), (1556, 14117), (2972, 7391)]