21897062

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{293}}^1$

素因数の和:428

約数の個数: 32

約数和(自身を含む): 37255680

約数和(自身を除く): 15358618

約数列:

[1, 2, 11, 22, 43, 79, 86, 158, 293, 473, 586, 869, 946, 1738, 3223, 3397, 6446, 6794, 12599, 23147, 25198, 37367, 46294, 74734, 138589, 254617, 277178, 509234, 995321, 1990642, 10948531, 21897062]

約数ペア:

[(1, 21897062), (2, 10948531), (11, 1990642), (22, 995321), (43, 509234), (79, 277178), (86, 254617), (158, 138589), (293, 74734), (473, 46294), (586, 37367), (869, 25198), (946, 23147), (1738, 12599), (3223, 6794), (3397, 6446)]