21653654

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{51803}}^1$

素因数の和:51835

約数の個数: 16

約数和(自身を含む): 37298880

約数和(自身を除く): 15645226

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 51803, 103606, 569833, 984257, 1139666, 1968514, 10826827, 21653654]

約数ペア:

[(1, 21653654), (2, 10826827), (11, 1968514), (19, 1139666), (22, 984257), (38, 569833), (209, 103606), (418, 51803)]