21399568

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{58151}}^1$

素因数の和:58182

約数の個数: 20

約数和(自身を含む): 43265088

約数和(自身を除く): 21865520

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 58151, 116302, 232604, 465208, 930416, 1337473, 2674946, 5349892, 10699784, 21399568]

約数ペア:

[(1, 21399568), (2, 10699784), (4, 5349892), (8, 2674946), (16, 1337473), (23, 930416), (46, 465208), (92, 232604), (184, 116302), (368, 58151)]