21741328

素因数分解:

$2^4\times 7^1\times {\mathrm{194119}}^1$

素因数の和:194134

約数の個数: 20

約数和(自身を含む): 48141760

約数和(自身を除く): 26400432

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 194119, 388238, 776476, 1358833, 1552952, 2717666, 3105904, 5435332, 10870664, 21741328]

約数ペア:

[(1, 21741328), (2, 10870664), (4, 5435332), (7, 3105904), (8, 2717666), (14, 1552952), (16, 1358833), (28, 776476), (56, 388238), (112, 194119)]