21797902

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^3\times {\mathrm{227}}^1$

素因数の和:293

約数の個数: 32

約数和(自身を含む): 39617280

約数和(自身を除く): 17819378

約数列:

[1, 2, 7, 14, 19, 38, 133, 227, 266, 361, 454, 722, 1589, 2527, 3178, 4313, 5054, 6859, 8626, 13718, 30191, 48013, 60382, 81947, 96026, 163894, 573629, 1147258, 1556993, 3113986, 10898951, 21797902]

約数ペア:

[(1, 21797902), (2, 10898951), (7, 3113986), (14, 1556993), (19, 1147258), (38, 573629), (133, 163894), (227, 96026), (266, 81947), (361, 60382), (454, 48013), (722, 30191), (1589, 13718), (2527, 8626), (3178, 6859), (4313, 5054)]