21167124507

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{1559}}^1\times {\mathrm{88741}}^1$

素因数の和:90323

約数の個数: 24

約数和(自身を含む): 32394379680

約数和(自身を除く): 11227255173

約数列:

[1, 3, 9, 17, 51, 153, 1559, 4677, 14031, 26503, 79509, 88741, 238527, 266223, 798669, 1508597, 4525791, 13577373, 138347219, 415041657, 1245124971, 2351902723, 7055708169, 21167124507]

約数ペア:

[(1, 21167124507), (3, 7055708169), (9, 2351902723), (17, 1245124971), (51, 415041657), (153, 138347219), (1559, 13577373), (4677, 4525791), (14031, 1508597), (26503, 798669), (79509, 266223), (88741, 238527)]