21040288

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{38677}}^1$

素因数の和:38704

約数の個数: 24

約数和(自身を含む): 43860852

約数和(自身を除く): 22820564

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 544, 38677, 77354, 154708, 309416, 618832, 657509, 1237664, 1315018, 2630036, 5260072, 10520144, 21040288]

約数ペア:

[(1, 21040288), (2, 10520144), (4, 5260072), (8, 2630036), (16, 1315018), (17, 1237664), (32, 657509), (34, 618832), (68, 309416), (136, 154708), (272, 77354), (544, 38677)]