21431710

素因数分解:

$2^1\times 5^1\times {\mathrm{1231}}^1\times {\mathrm{1741}}^1$

素因数の和:2979

約数の個数: 16

約数和(自身を含む): 38630592

約数和(自身を除く): 17198882

約数列:

[1, 2, 5, 10, 1231, 1741, 2462, 3482, 6155, 8705, 12310, 17410, 2143171, 4286342, 10715855, 21431710]

約数ペア:

[(1, 21431710), (2, 10715855), (5, 4286342), (10, 2143171), (1231, 17410), (1741, 12310), (2462, 8705), (3482, 6155)]