21876979

素因数分解:

${\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{503}}^1$

素因数の和:618

約数の個数: 16

約数和(自身を含む): 23998464

約数和(自身を除く): 2121485

約数列:

[1, 23, 31, 61, 503, 713, 1403, 1891, 11569, 15593, 30683, 43493, 358639, 705709, 951173, 21876979]

約数ペア:

[(1, 21876979), (23, 951173), (31, 705709), (61, 358639), (503, 43493), (713, 30683), (1403, 15593), (1891, 11569)]