21210438

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{229}}^1\times {\mathrm{359}}^1$

素因数の和:636

約数の個数: 32

約数和(自身を含む): 43718400

約数和(自身を除く): 22507962

約数列:

[1, 2, 3, 6, 43, 86, 129, 229, 258, 359, 458, 687, 718, 1077, 1374, 2154, 9847, 15437, 19694, 29541, 30874, 46311, 59082, 82211, 92622, 164422, 246633, 493266, 3535073, 7070146, 10605219, 21210438]

約数ペア:

[(1, 21210438), (2, 10605219), (3, 7070146), (6, 3535073), (43, 493266), (86, 246633), (129, 164422), (229, 92622), (258, 82211), (359, 59082), (458, 46311), (687, 30874), (718, 29541), (1077, 19694), (1374, 15437), (2154, 9847)]