21104462224

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{42549319}}^1$

素因数の和:42549358

約数の個数: 20

約数和(自身を含む): 42208925440

約数和(自身を除く): 21104463216

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 42549319, 85098638, 170197276, 340394552, 680789104, 1319028889, 2638057778, 5276115556, 10552231112, 21104462224]

約数ペア:

[(1, 21104462224), (2, 10552231112), (4, 5276115556), (8, 2638057778), (16, 1319028889), (31, 680789104), (62, 340394552), (124, 170197276), (248, 85098638), (496, 42549319)]