21967568

素因数分解:

$2^4\times 7^1\times {\mathrm{196139}}^1$

素因数の和:196154

約数の個数: 20

約数和(自身を含む): 48642720

約数和(自身を除く): 26675152

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 196139, 392278, 784556, 1372973, 1569112, 2745946, 3138224, 5491892, 10983784, 21967568]

約数ペア:

[(1, 21967568), (2, 10983784), (4, 5491892), (7, 3138224), (8, 2745946), (14, 1569112), (16, 1372973), (28, 784556), (56, 392278), (112, 196139)]