21653290

素因数分解:

$2^1\times 5^1\times {\mathrm{1231}}^1\times {\mathrm{1759}}^1$

素因数の和:2997

約数の個数: 16

約数和(自身を含む): 39029760

約数和(自身を除く): 17376470

約数列:

[1, 2, 5, 10, 1231, 1759, 2462, 3518, 6155, 8795, 12310, 17590, 2165329, 4330658, 10826645, 21653290]

約数ペア:

[(1, 21653290), (2, 10826645), (5, 4330658), (10, 2165329), (1231, 17590), (1759, 12310), (2462, 8795), (3518, 6155)]