21799076

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{13523}}^1$

素因数の和:13571

約数の個数: 24

約数和(自身を含む): 42411264

約数和(自身を除く): 20612188

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 403, 806, 1612, 13523, 27046, 54092, 175799, 351598, 419213, 703196, 838426, 1676852, 5449769, 10899538, 21799076]

約数ペア:

[(1, 21799076), (2, 10899538), (4, 5449769), (13, 1676852), (26, 838426), (31, 703196), (52, 419213), (62, 351598), (124, 175799), (403, 54092), (806, 27046), (1612, 13523)]