21546366928

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{70876207}}^1$

素因数の和:70876234

約数の個数: 20

約数和(自身を含む): 43943248960

約数和(自身を除く): 22396882032

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 70876207, 141752414, 283504828, 567009656, 1134019312, 1346647933, 2693295866, 5386591732, 10773183464, 21546366928]

約数ペア:

[(1, 21546366928), (2, 10773183464), (4, 5386591732), (8, 2693295866), (16, 1346647933), (19, 1134019312), (38, 567009656), (76, 283504828), (152, 141752414), (304, 70876207)]