21000605367

素因数分解:

$3^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{3484421}}^1$

素因数の和:3484479

約数の個数: 24

約数和(自身を含む): 33366825072

約数和(自身を除く): 12366219705

約数列:

[1, 3, 7, 21, 41, 49, 123, 147, 287, 861, 2009, 6027, 3484421, 10453263, 24390947, 73172841, 142861261, 170736629, 428583783, 512209887, 1000028827, 3000086481, 7000201789, 21000605367]

約数ペア:

[(1, 21000605367), (3, 7000201789), (7, 3000086481), (21, 1000028827), (41, 512209887), (49, 428583783), (123, 170736629), (147, 142861261), (287, 73172841), (861, 24390947), (2009, 10453263), (6027, 3484421)]