21350308

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{14387}}^1$

素因数の和:14451

約数の個数: 24

約数和(自身を含む): 43509312

約数和(自身を除く): 22159004

約数列:

[1, 2, 4, 7, 14, 28, 53, 106, 212, 371, 742, 1484, 14387, 28774, 57548, 100709, 201418, 402836, 762511, 1525022, 3050044, 5337577, 10675154, 21350308]

約数ペア:

[(1, 21350308), (2, 10675154), (4, 5337577), (7, 3050044), (14, 1525022), (28, 762511), (53, 402836), (106, 201418), (212, 100709), (371, 57548), (742, 28774), (1484, 14387)]