2021168149

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{9661}}^1$

素因数の和:9722

約数の個数: 48

約数和(自身を含む): 2878503040

約数和(自身を除く): 857334891

約数列:

[1, 7, 11, 13, 19, 77, 91, 121, 133, 143, 209, 247, 847, 1001, 1463, 1573, 1729, 2299, 2717, 9661, 11011, 16093, 19019, 29887, 67627, 106271, 125593, 183559, 209209, 743897, 879151, 1168981, 1284913, 1381523, 2019149, 2386267, 8182867, 9670661, 14134043, 15196753, 16703869, 22210639, 26248937, 106377271, 155474473, 183742559, 288738307, 2021168149]

約数ペア:

[(1, 2021168149), (7, 288738307), (11, 183742559), (13, 155474473), (19, 106377271), (77, 26248937), (91, 22210639), (121, 16703869), (133, 15196753), (143, 14134043), (209, 9670661), (247, 8182867), (847, 2386267), (1001, 2019149), (1463, 1381523), (1573, 1284913), (1729, 1168981), (2299, 879151), (2717, 743897), (9661, 209209), (11011, 183559), (16093, 125593), (19019, 106271), (29887, 67627)]