21304892

素因数分解:

$2^2\times 7^1\times {\mathrm{151}}^1\times {\mathrm{5039}}^1$

素因数の和:5201

約数の個数: 24

約数和(自身を含む): 42900480

約数和(自身を除く): 21595588

約数列:

[1, 2, 4, 7, 14, 28, 151, 302, 604, 1057, 2114, 4228, 5039, 10078, 20156, 35273, 70546, 141092, 760889, 1521778, 3043556, 5326223, 10652446, 21304892]

約数ペア:

[(1, 21304892), (2, 10652446), (4, 5326223), (7, 3043556), (14, 1521778), (28, 760889), (151, 141092), (302, 70546), (604, 35273), (1057, 20156), (2114, 10078), (4228, 5039)]