21033199

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{821}}^1$

素因数の和:986

約数の個数: 16

約数和(自身を含む): 24502176

約数和(自身を除く): 3468977

約数列:

[1, 11, 17, 137, 187, 821, 1507, 2329, 9031, 13957, 25619, 112477, 153527, 1237247, 1912109, 21033199]

約数ペア:

[(1, 21033199), (11, 1912109), (17, 1237247), (137, 153527), (187, 112477), (821, 25619), (1507, 13957), (2329, 9031)]