21503021566

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{63618407}}^1$

素因数の和:63618435

約数の個数: 12

約数和(自身を含む): 34926505992

約数和(自身を除く): 13423484426

約数列:

[1, 2, 13, 26, 169, 338, 63618407, 127236814, 827039291, 1654078582, 10751510783, 21503021566]

約数ペア:

[(1, 21503021566), (2, 10751510783), (13, 1654078582), (26, 827039291), (169, 127236814), (338, 63618407)]