21790888

素因数分解:

$2^3\times 7^2\times {\mathrm{55589}}^1$

素因数の和:55609

約数の個数: 24

約数和(自身を含む): 47529450

約数和(自身を除く): 25738562

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 55589, 111178, 222356, 389123, 444712, 778246, 1556492, 2723861, 3112984, 5447722, 10895444, 21790888]

約数ペア:

[(1, 21790888), (2, 10895444), (4, 5447722), (7, 3112984), (8, 2723861), (14, 1556492), (28, 778246), (49, 444712), (56, 389123), (98, 222356), (196, 111178), (392, 55589)]