21666806

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{1543}}^1$

素因数の和:1628

約数の個数: 32

約数和(自身を含む): 40020480

約数和(自身を除く): 18353674

約数列:

[1, 2, 7, 14, 17, 34, 59, 118, 119, 238, 413, 826, 1003, 1543, 2006, 3086, 7021, 10801, 14042, 21602, 26231, 52462, 91037, 182074, 183617, 367234, 637259, 1274518, 1547629, 3095258, 10833403, 21666806]

約数ペア:

[(1, 21666806), (2, 10833403), (7, 3095258), (14, 1547629), (17, 1274518), (34, 637259), (59, 367234), (118, 183617), (119, 182074), (238, 91037), (413, 52462), (826, 26231), (1003, 21602), (1543, 14042), (2006, 10801), (3086, 7021)]