21801568

素因数分解:

$2^5\times {\mathrm{401}}^1\times {\mathrm{1699}}^1$

素因数の和:2110

約数の個数: 24

約数和(自身を含む): 43054200

約数和(自身を除く): 21252632

約数列:

[1, 2, 4, 8, 16, 32, 401, 802, 1604, 1699, 3208, 3398, 6416, 6796, 12832, 13592, 27184, 54368, 681299, 1362598, 2725196, 5450392, 10900784, 21801568]

約数ペア:

[(1, 21801568), (2, 10900784), (4, 5450392), (8, 2725196), (16, 1362598), (32, 681299), (401, 54368), (802, 27184), (1604, 13592), (1699, 12832), (3208, 6796), (3398, 6416)]