21034864

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{42409}}^1$

素因数の和:42448

約数の個数: 20

約数和(自身を含む): 42070720

約数和(自身を除く): 21035856

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 42409, 84818, 169636, 339272, 678544, 1314679, 2629358, 5258716, 10517432, 21034864]

約数ペア:

[(1, 21034864), (2, 10517432), (4, 5258716), (8, 2629358), (16, 1314679), (31, 678544), (62, 339272), (124, 169636), (248, 84818), (496, 42409)]