21182192

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{24979}}^1$

素因数の和:25040

約数の個数: 20

約数和(自身を含む): 41816520

約数和(自身を除く): 20634328

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 848, 24979, 49958, 99916, 199832, 399664, 1323887, 2647774, 5295548, 10591096, 21182192]

約数ペア:

[(1, 21182192), (2, 10591096), (4, 5295548), (8, 2647774), (16, 1323887), (53, 399664), (106, 199832), (212, 99916), (424, 49958), (848, 24979)]