21871542

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{6763}}^1$

素因数の和:6793

約数の個数: 48

約数和(自身を含む): 55518912

約数和(自身を除く): 33647370

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 49, 66, 77, 98, 147, 154, 231, 294, 462, 539, 1078, 1617, 3234, 6763, 13526, 20289, 40578, 47341, 74393, 94682, 142023, 148786, 223179, 284046, 331387, 446358, 520751, 662774, 994161, 1041502, 1562253, 1988322, 3124506, 3645257, 7290514, 10935771, 21871542]

約数ペア:

[(1, 21871542), (2, 10935771), (3, 7290514), (6, 3645257), (7, 3124506), (11, 1988322), (14, 1562253), (21, 1041502), (22, 994161), (33, 662774), (42, 520751), (49, 446358), (66, 331387), (77, 284046), (98, 223179), (147, 148786), (154, 142023), (231, 94682), (294, 74393), (462, 47341), (539, 40578), (1078, 20289), (1617, 13526), (3234, 6763)]