21089248

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{38767}}^1$

素因数の和:38794

約数の個数: 24

約数和(自身を含む): 43962912

約数和(自身を除く): 22873664

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 544, 38767, 77534, 155068, 310136, 620272, 659039, 1240544, 1318078, 2636156, 5272312, 10544624, 21089248]

約数ペア:

[(1, 21089248), (2, 10544624), (4, 5272312), (8, 2636156), (16, 1318078), (17, 1240544), (32, 659039), (34, 620272), (68, 310136), (136, 155068), (272, 77534), (544, 38767)]