21461970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{673}}^1\times {\mathrm{1063}}^1$

素因数の和:1746

約数の個数: 32

約数和(自身を含む): 51633792

約数和(自身を除く): 30171822

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 673, 1063, 1346, 2019, 2126, 3189, 3365, 4038, 5315, 6378, 6730, 10095, 10630, 15945, 20190, 31890, 715399, 1430798, 2146197, 3576995, 4292394, 7153990, 10730985, 21461970]

約数ペア:

[(1, 21461970), (2, 10730985), (3, 7153990), (5, 4292394), (6, 3576995), (10, 2146197), (15, 1430798), (30, 715399), (673, 31890), (1063, 20190), (1346, 15945), (2019, 10630), (2126, 10095), (3189, 6730), (3365, 6378), (4038, 5315)]