21894988

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{331}}^1\times {\mathrm{719}}^1$

素因数の和:1077

約数の個数: 24

約数和(自身を含む): 40158720

約数和(自身を除く): 18263732

約数列:

[1, 2, 4, 23, 46, 92, 331, 662, 719, 1324, 1438, 2876, 7613, 15226, 16537, 30452, 33074, 66148, 237989, 475978, 951956, 5473747, 10947494, 21894988]

約数ペア:

[(1, 21894988), (2, 10947494), (4, 5473747), (23, 951956), (46, 475978), (92, 237989), (331, 66148), (662, 33074), (719, 30452), (1324, 16537), (1438, 15226), (2876, 7613)]