21495870

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{21713}}^1$

素因数の和:21737

約数の個数: 48

約数和(自身を含む): 60972912

約数和(自身を除く): 39477042

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 198, 330, 495, 990, 21713, 43426, 65139, 108565, 130278, 195417, 217130, 238843, 325695, 390834, 477686, 651390, 716529, 977085, 1194215, 1433058, 1954170, 2149587, 2388430, 3582645, 4299174, 7165290, 10747935, 21495870]

約数ペア:

[(1, 21495870), (2, 10747935), (3, 7165290), (5, 4299174), (6, 3582645), (9, 2388430), (10, 2149587), (11, 1954170), (15, 1433058), (18, 1194215), (22, 977085), (30, 716529), (33, 651390), (45, 477686), (55, 390834), (66, 325695), (90, 238843), (99, 217130), (110, 195417), (165, 130278), (198, 108565), (330, 65139), (495, 43426), (990, 21713)]