21989814

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{4327}}^1$

素因数の和:4361

約数の個数: 48

約数和(自身を含む): 55259904

約数和(自身を除く): 33270090

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 121, 154, 231, 242, 363, 462, 726, 847, 1694, 2541, 4327, 5082, 8654, 12981, 25962, 30289, 47597, 60578, 90867, 95194, 142791, 181734, 285582, 333179, 523567, 666358, 999537, 1047134, 1570701, 1999074, 3141402, 3664969, 7329938, 10994907, 21989814]

約数ペア:

[(1, 21989814), (2, 10994907), (3, 7329938), (6, 3664969), (7, 3141402), (11, 1999074), (14, 1570701), (21, 1047134), (22, 999537), (33, 666358), (42, 523567), (66, 333179), (77, 285582), (121, 181734), (154, 142791), (231, 95194), (242, 90867), (363, 60578), (462, 47597), (726, 30289), (847, 25962), (1694, 12981), (2541, 8654), (4327, 5082)]