21487376

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{46309}}^1$

素因数の和:46346

約数の個数: 20

約数和(自身を含む): 43068300

約数和(自身を除く): 21580924

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 46309, 92618, 185236, 370472, 740944, 1342961, 2685922, 5371844, 10743688, 21487376]

約数ペア:

[(1, 21487376), (2, 10743688), (4, 5371844), (8, 2685922), (16, 1342961), (29, 740944), (58, 370472), (116, 185236), (232, 92618), (464, 46309)]