21179046

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{10729}}^1$

素因数の和:10788

約数の個数: 32

約数和(自身を含む): 49443840

約数和(自身を除く): 28264794

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 47, 94, 141, 282, 329, 658, 987, 1974, 10729, 21458, 32187, 64374, 75103, 150206, 225309, 450618, 504263, 1008526, 1512789, 3025578, 3529841, 7059682, 10589523, 21179046]

約数ペア:

[(1, 21179046), (2, 10589523), (3, 7059682), (6, 3529841), (7, 3025578), (14, 1512789), (21, 1008526), (42, 504263), (47, 450618), (94, 225309), (141, 150206), (282, 75103), (329, 64374), (658, 32187), (987, 21458), (1974, 10729)]