21316394

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{5413}}^1$

素因数の和:5605

約数の個数: 16

約数和(自身を含む): 35082720

約数和(自身を除く): 13766326

約数列:

[1, 2, 11, 22, 179, 358, 1969, 3938, 5413, 10826, 59543, 119086, 968927, 1937854, 10658197, 21316394]

約数ペア:

[(1, 21316394), (2, 10658197), (11, 1937854), (22, 968927), (179, 119086), (358, 59543), (1969, 10826), (3938, 5413)]