21242460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{354041}}^1$

素因数の和:354053

約数の個数: 24

約数和(自身を含む): 59479056

約数和(自身を除く): 38236596

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 354041, 708082, 1062123, 1416164, 1770205, 2124246, 3540410, 4248492, 5310615, 7080820, 10621230, 21242460]

約数ペア:

[(1, 21242460), (2, 10621230), (3, 7080820), (4, 5310615), (5, 4248492), (6, 3540410), (10, 2124246), (12, 1770205), (15, 1416164), (20, 1062123), (30, 708082), (60, 354041)]