21499423

素因数分解:

${\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{157}}^1\times {\mathrm{211}}^1$

素因数の和:438

約数の個数: 16

約数和(自身を含む): 24117120

約数和(自身を除く): 2617697

約数列:

[1, 11, 59, 157, 211, 649, 1727, 2321, 9263, 12449, 33127, 101893, 136939, 364397, 1954493, 21499423]

約数ペア:

[(1, 21499423), (11, 1954493), (59, 364397), (157, 136939), (211, 101893), (649, 33127), (1727, 12449), (2321, 9263)]