21755898

素因数分解:

$2^1\times 3^3\times {\mathrm{73}}^1\times {\mathrm{5519}}^1$

素因数の和:5603

約数の個数: 32

約数和(自身を含む): 49017600

約数和(自身を除く): 27261702

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 73, 146, 219, 438, 657, 1314, 1971, 3942, 5519, 11038, 16557, 33114, 49671, 99342, 149013, 298026, 402887, 805774, 1208661, 2417322, 3625983, 7251966, 10877949, 21755898]

約数ペア:

[(1, 21755898), (2, 10877949), (3, 7251966), (6, 3625983), (9, 2417322), (18, 1208661), (27, 805774), (54, 402887), (73, 298026), (146, 149013), (219, 99342), (438, 49671), (657, 33114), (1314, 16557), (1971, 11038), (3942, 5519)]