21509730

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{21727}}^1$

素因数の和:21751

約数の個数: 48

約数和(自身を含む): 61012224

約数和(自身を除く): 39502494

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, 21727, 43454, 65181, 108635, 130362, 195543, 217270, 238997, 325905, 391086, 477994, 651810, 716991, 977715, 1194985, 1433982, 1955430, 2150973, 2389970, 3584955, 4301946, 7169910, 10754865, 21509730]

約数ペア:

[(1, 21509730), (2, 10754865), (3, 7169910), (5, 4301946), (6, 3584955), (9, 2389970), (10, 2150973), (11, 1955430), (15, 1433982), (18, 1194985), (22, 977715), (30, 716991), (33, 651810), (45, 477994), (55, 391086), (66, 325905), (90, 238997), (99, 217270), (110, 195543), (165, 130362), (198, 108635), (330, 65181), (495, 43454), (990, 21727)]