21113392

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{45503}}^1$

素因数の和:45540

約数の個数: 20

約数和(自身を含む): 42318720

約数和(自身を除く): 21205328

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 45503, 91006, 182012, 364024, 728048, 1319587, 2639174, 5278348, 10556696, 21113392]

約数ペア:

[(1, 21113392), (2, 10556696), (4, 5278348), (8, 2639174), (16, 1319587), (29, 728048), (58, 364024), (116, 182012), (232, 91006), (464, 45503)]