21868626

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{1117}}^1$

素因数の和:1386

約数の個数: 32

約数和(自身を含む): 47331648

約数和(自身を除く): 25463022

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 251, 502, 753, 1117, 1506, 2234, 3263, 3351, 6526, 6702, 9789, 14521, 19578, 29042, 43563, 87126, 280367, 560734, 841101, 1682202, 3644771, 7289542, 10934313, 21868626]

約数ペア:

[(1, 21868626), (2, 10934313), (3, 7289542), (6, 3644771), (13, 1682202), (26, 841101), (39, 560734), (78, 280367), (251, 87126), (502, 43563), (753, 29042), (1117, 19578), (1506, 14521), (2234, 9789), (3263, 6702), (3351, 6526)]