21995010

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{81463}}^1$

素因数の和:81479

約数の個数: 32

約数和(自身を含む): 58654080

約数和(自身を除く): 36659070

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 81463, 162926, 244389, 407315, 488778, 733167, 814630, 1221945, 1466334, 2199501, 2443890, 3665835, 4399002, 7331670, 10997505, 21995010]

約数ペア:

[(1, 21995010), (2, 10997505), (3, 7331670), (5, 4399002), (6, 3665835), (9, 2443890), (10, 2199501), (15, 1466334), (18, 1221945), (27, 814630), (30, 733167), (45, 488778), (54, 407315), (90, 244389), (135, 162926), (270, 81463)]