21890596

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{60139}}^1$

素因数の和:60163

約数の個数: 24

約数和(自身を含む): 47149760

約数和(自身を除く): 25259164

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 60139, 120278, 240556, 420973, 781807, 841946, 1563614, 1683892, 3127228, 5472649, 10945298, 21890596]

約数ペア:

[(1, 21890596), (2, 10945298), (4, 5472649), (7, 3127228), (13, 1683892), (14, 1563614), (26, 841946), (28, 781807), (52, 420973), (91, 240556), (182, 120278), (364, 60139)]