21055958

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{136727}}^1$

素因数の和:136747

約数の個数: 16

約数和(自身を含む): 39377664

約数和(自身を除く): 18321706

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 136727, 273454, 957089, 1503997, 1914178, 3007994, 10527979, 21055958]

約数ペア:

[(1, 21055958), (2, 10527979), (7, 3007994), (11, 1914178), (14, 1503997), (22, 957089), (77, 273454), (154, 136727)]