21834930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{55987}}^1$

素因数の和:56010

約数の個数: 32

約数和(自身を含む): 56435904

約数和(自身を除く): 34600974

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 55987, 111974, 167961, 279935, 335922, 559870, 727831, 839805, 1455662, 1679610, 2183493, 3639155, 4366986, 7278310, 10917465, 21834930]

約数ペア:

[(1, 21834930), (2, 10917465), (3, 7278310), (5, 4366986), (6, 3639155), (10, 2183493), (13, 1679610), (15, 1455662), (26, 839805), (30, 727831), (39, 559870), (65, 335922), (78, 279935), (130, 167961), (195, 111974), (390, 55987)]