21259130

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{92431}}^1$

素因数の和:92461

約数の個数: 16

約数和(自身を含む): 39930624

約数和(自身を除く): 18671494

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 92431, 184862, 462155, 924310, 2125913, 4251826, 10629565, 21259130]

約数ペア:

[(1, 21259130), (2, 10629565), (5, 4251826), (10, 2125913), (23, 924310), (46, 462155), (115, 184862), (230, 92431)]