21373378

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{11261}}^1$

素因数の和:11349

約数の個数: 16

約数和(自身を含む): 35002296

約数和(自身を除く): 13628918

約数列:

[1, 2, 13, 26, 73, 146, 949, 1898, 11261, 22522, 146393, 292786, 822053, 1644106, 10686689, 21373378]

約数ペア:

[(1, 21373378), (2, 10686689), (13, 1644106), (26, 822053), (73, 292786), (146, 146393), (949, 22522), (1898, 11261)]