21676768

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{39847}}^1$

素因数の和:39874

約数の個数: 24

約数和(自身を含む): 45187632

約数和(自身を除く): 23510864

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 544, 39847, 79694, 159388, 318776, 637552, 677399, 1275104, 1354798, 2709596, 5419192, 10838384, 21676768]

約数ペア:

[(1, 21676768), (2, 10838384), (4, 5419192), (8, 2709596), (16, 1354798), (17, 1275104), (32, 677399), (34, 637552), (68, 318776), (136, 159388), (272, 79694), (544, 39847)]