21258495808

素因数分解:

$2^6\times {\mathrm{11}}^2\times {\mathrm{2745157}}^1$

素因数の和:2745191

約数の個数: 42

約数和(自身を含む): 46368463778

約数和(自身を除く): 25109967970

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 121, 176, 242, 352, 484, 704, 968, 1936, 3872, 7744, 2745157, 5490314, 10980628, 21961256, 30196727, 43922512, 60393454, 87845024, 120786908, 175690048, 241573816, 332163997, 483147632, 664327994, 966295264, 1328655988, 1932590528, 2657311976, 5314623952, 10629247904, 21258495808]

約数ペア:

[(1, 21258495808), (2, 10629247904), (4, 5314623952), (8, 2657311976), (11, 1932590528), (16, 1328655988), (22, 966295264), (32, 664327994), (44, 483147632), (64, 332163997), (88, 241573816), (121, 175690048), (176, 120786908), (242, 87845024), (352, 60393454), (484, 43922512), (704, 30196727), (968, 21961256), (1936, 10980628), (3872, 5490314), (7744, 2745157)]