21059340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{350989}}^1$

素因数の和:351001

約数の個数: 24

約数和(自身を含む): 58966320

約数和(自身を除く): 37906980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 350989, 701978, 1052967, 1403956, 1754945, 2105934, 3509890, 4211868, 5264835, 7019780, 10529670, 21059340]

約数ペア:

[(1, 21059340), (2, 10529670), (3, 7019780), (4, 5264835), (5, 4211868), (6, 3509890), (10, 2105934), (12, 1754945), (15, 1403956), (20, 1052967), (30, 701978), (60, 350989)]