21797996

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{6271}}^1$

素因数の和:6365

約数の個数: 24

約数和(自身を含む): 42147840

約数和(自身を除く): 20349844

約数列:

[1, 2, 4, 11, 22, 44, 79, 158, 316, 869, 1738, 3476, 6271, 12542, 25084, 68981, 137962, 275924, 495409, 990818, 1981636, 5449499, 10898998, 21797996]

約数ペア:

[(1, 21797996), (2, 10898998), (4, 5449499), (11, 1981636), (22, 990818), (44, 495409), (79, 275924), (158, 137962), (316, 68981), (869, 25084), (1738, 12542), (3476, 6271)]