21454595

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{1459}}^1$

素因数の和:1654

約数の個数: 16

約数和(自身を含む): 27436320

約数和(自身を除く): 5981725

約数列:

[1, 5, 17, 85, 173, 865, 1459, 2941, 7295, 14705, 24803, 124015, 252407, 1262035, 4290919, 21454595]

約数ペア:

[(1, 21454595), (5, 4290919), (17, 1262035), (85, 252407), (173, 124015), (865, 24803), (1459, 14705), (2941, 7295)]