21407627344

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{43160539}}^1$

素因数の和:43160578

約数の個数: 20

約数和(自身を含む): 42815255680

約数和(自身を除く): 21407628336

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 43160539, 86321078, 172642156, 345284312, 690568624, 1337976709, 2675953418, 5351906836, 10703813672, 21407627344]

約数ペア:

[(1, 21407627344), (2, 10703813672), (4, 5351906836), (8, 2675953418), (16, 1337976709), (31, 690568624), (62, 345284312), (124, 172642156), (248, 86321078), (496, 43160539)]