21050261

素因数分解:

${\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1$

素因数の和:284

約数の個数: 16

約数和(自身を含む): 22391040

約数和(自身を除く): 1340779

約数列:

[1, 41, 67, 79, 97, 2747, 3239, 3977, 5293, 6499, 7663, 217013, 266459, 314183, 513421, 21050261]

約数ペア:

[(1, 21050261), (41, 513421), (67, 314183), (79, 266459), (97, 217013), (2747, 7663), (3239, 6499), (3977, 5293)]