21638226

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{347}}^1\times {\mathrm{547}}^1$

素因数の和:918

約数の個数: 32

約数和(自身を含む): 45768960

約数和(自身を除く): 24130734

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 347, 547, 694, 1041, 1094, 1641, 2082, 3282, 6593, 10393, 13186, 19779, 20786, 31179, 39558, 62358, 189809, 379618, 569427, 1138854, 3606371, 7212742, 10819113, 21638226]

約数ペア:

[(1, 21638226), (2, 10819113), (3, 7212742), (6, 3606371), (19, 1138854), (38, 569427), (57, 379618), (114, 189809), (347, 62358), (547, 39558), (694, 31179), (1041, 20786), (1094, 19779), (1641, 13186), (2082, 10393), (3282, 6593)]