21747590

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{6733}}^1$

素因数の和:6776

約数の個数: 32

約数和(自身を含む): 43636320

約数和(自身を除く): 21888730

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 85, 95, 170, 190, 323, 646, 1615, 3230, 6733, 13466, 33665, 67330, 114461, 127927, 228922, 255854, 572305, 639635, 1144610, 1279270, 2174759, 4349518, 10873795, 21747590]

約数ペア:

[(1, 21747590), (2, 10873795), (5, 4349518), (10, 2174759), (17, 1279270), (19, 1144610), (34, 639635), (38, 572305), (85, 255854), (95, 228922), (170, 127927), (190, 114461), (323, 67330), (646, 33665), (1615, 13466), (3230, 6733)]