21434824

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{397}}^2$

素因数の和:817

約数の個数: 24

約数和(自身を含む): 42661890

約数和(自身を除く): 21227066

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 397, 794, 1588, 3176, 6749, 13498, 26996, 53992, 157609, 315218, 630436, 1260872, 2679353, 5358706, 10717412, 21434824]

約数ペア:

[(1, 21434824), (2, 10717412), (4, 5358706), (8, 2679353), (17, 1260872), (34, 630436), (68, 315218), (136, 157609), (397, 53992), (794, 26996), (1588, 13498), (3176, 6749)]