21740236

素因数分解:

$2^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{5927}}^1$

素因数の和:6069

約数の個数: 24

約数和(自身を含む): 43819776

約数和(自身を除く): 22079540

約数列:

[1, 2, 4, 7, 14, 28, 131, 262, 524, 917, 1834, 3668, 5927, 11854, 23708, 41489, 82978, 165956, 776437, 1552874, 3105748, 5435059, 10870118, 21740236]

約数ペア:

[(1, 21740236), (2, 10870118), (4, 5435059), (7, 3105748), (14, 1552874), (28, 776437), (131, 165956), (262, 82978), (524, 41489), (917, 23708), (1834, 11854), (3668, 5927)]