21936537

素因数分解:

$3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{5197}}^1$

素因数の和:5277

約数の個数: 24

約数和(自身を含む): 36760256

約数和(自身を除く): 14823719

約数列:

[1, 3, 7, 9, 21, 63, 67, 201, 469, 603, 1407, 4221, 5197, 15591, 36379, 46773, 109137, 327411, 348199, 1044597, 2437393, 3133791, 7312179, 21936537]

約数ペア:

[(1, 21936537), (3, 7312179), (7, 3133791), (9, 2437393), (21, 1044597), (63, 348199), (67, 327411), (201, 109137), (469, 46773), (603, 36379), (1407, 15591), (4221, 5197)]