21707452031

素因数分解:

${\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{293}}^1\times {\mathrm{61381}}^1$

素因数の和:61762

約数の個数: 16

約数和(自身を含む): 23388015168

約数和(自身を除く): 1680563137

約数列:

[1, 17, 71, 293, 1207, 4981, 20803, 61381, 353651, 1043477, 4358051, 17984633, 74086867, 305738761, 1276908943, 21707452031]

約数ペア:

[(1, 21707452031), (17, 1276908943), (71, 305738761), (293, 74086867), (1207, 17984633), (4981, 4358051), (20803, 1043477), (61381, 353651)]