21563670

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37831}}^1$

素因数の和:37860

約数の個数: 32

約数和(自身を含む): 54478080

約数和(自身を除く): 32914410

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 95, 114, 190, 285, 570, 37831, 75662, 113493, 189155, 226986, 378310, 567465, 718789, 1134930, 1437578, 2156367, 3593945, 4312734, 7187890, 10781835, 21563670]

約数ペア:

[(1, 21563670), (2, 10781835), (3, 7187890), (5, 4312734), (6, 3593945), (10, 2156367), (15, 1437578), (19, 1134930), (30, 718789), (38, 567465), (57, 378310), (95, 226986), (114, 189155), (190, 113493), (285, 75662), (570, 37831)]