21881034

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{173659}}^1$

素因数の和:173674

約数の個数: 24

約数和(自身を含む): 54181920

約数和(自身を除く): 32300886

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 173659, 347318, 520977, 1041954, 1215613, 1562931, 2431226, 3125862, 3646839, 7293678, 10940517, 21881034]

約数ペア:

[(1, 21881034), (2, 10940517), (3, 7293678), (6, 3646839), (7, 3125862), (9, 2431226), (14, 1562931), (18, 1215613), (21, 1041954), (42, 520977), (63, 347318), (126, 173659)]