21772765

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1129}}^1$

素因数の和:1189

約数の個数: 32

約数和(自身を含む): 32544000

約数和(自身を除く): 10771235

約数列:

[1, 5, 7, 19, 29, 35, 95, 133, 145, 203, 551, 665, 1015, 1129, 2755, 3857, 5645, 7903, 19285, 21451, 32741, 39515, 107255, 150157, 163705, 229187, 622079, 750785, 1145935, 3110395, 4354553, 21772765]

約数ペア:

[(1, 21772765), (5, 4354553), (7, 3110395), (19, 1145935), (29, 750785), (35, 622079), (95, 229187), (133, 163705), (145, 150157), (203, 107255), (551, 39515), (665, 32741), (1015, 21451), (1129, 19285), (2755, 7903), (3857, 5645)]