21030604

素因数分解:

$2^2\times 7^2\times {\mathrm{61}}^1\times {\mathrm{1759}}^1$

素因数の和:1838

約数の個数: 36

約数和(自身を含む): 43538880

約数和(自身を除く): 22508276

約数列:

[1, 2, 4, 7, 14, 28, 49, 61, 98, 122, 196, 244, 427, 854, 1708, 1759, 2989, 3518, 5978, 7036, 11956, 12313, 24626, 49252, 86191, 107299, 172382, 214598, 344764, 429196, 751093, 1502186, 3004372, 5257651, 10515302, 21030604]

約数ペア:

[(1, 21030604), (2, 10515302), (4, 5257651), (7, 3004372), (14, 1502186), (28, 751093), (49, 429196), (61, 344764), (98, 214598), (122, 172382), (196, 107299), (244, 86191), (427, 49252), (854, 24626), (1708, 12313), (1759, 11956), (2989, 7036), (3518, 5978)]