21866896

素因数分解:

$2^4\times {\mathrm{17}}^2\times {\mathrm{4729}}^1$

素因数の和:4771

約数の個数: 30

約数和(自身を含む): 45015410

約数和(自身を除く): 23148514

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 289, 578, 1156, 2312, 4624, 4729, 9458, 18916, 37832, 75664, 80393, 160786, 321572, 643144, 1286288, 1366681, 2733362, 5466724, 10933448, 21866896]

約数ペア:

[(1, 21866896), (2, 10933448), (4, 5466724), (8, 2733362), (16, 1366681), (17, 1286288), (34, 643144), (68, 321572), (136, 160786), (272, 80393), (289, 75664), (578, 37832), (1156, 18916), (2312, 9458), (4624, 4729)]