21988045365

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{173743}}^1$

素因数の和:173834

約数の個数: 64

約数和(自身を含む): 42032148480

約数和(自身を除く): 20044103115

約数列:

[1, 3, 5, 11, 13, 15, 33, 39, 55, 59, 65, 143, 165, 177, 195, 295, 429, 649, 715, 767, 885, 1947, 2145, 2301, 3245, 3835, 8437, 9735, 11505, 25311, 42185, 126555, 173743, 521229, 868715, 1911173, 2258659, 2606145, 5733519, 6775977, 9555865, 10250837, 11293295, 24845249, 28667595, 30752511, 33879885, 51254185, 74535747, 112759207, 124226245, 133260881, 153762555, 338277621, 372678735, 399782643, 563796035, 666304405, 1465869691, 1691388105, 1998913215, 4397609073, 7329348455, 21988045365]

約数ペア:

[(1, 21988045365), (3, 7329348455), (5, 4397609073), (11, 1998913215), (13, 1691388105), (15, 1465869691), (33, 666304405), (39, 563796035), (55, 399782643), (59, 372678735), (65, 338277621), (143, 153762555), (165, 133260881), (177, 124226245), (195, 112759207), (295, 74535747), (429, 51254185), (649, 33879885), (715, 30752511), (767, 28667595), (885, 24845249), (1947, 11293295), (2145, 10250837), (2301, 9555865), (3245, 6775977), (3835, 5733519), (8437, 2606145), (9735, 2258659), (11505, 1911173), (25311, 868715), (42185, 521229), (126555, 173743)]