21551133786

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{668999}}^1$

素因数の和:669083

約数の個数: 64

約数和(自身を含む): 53948160000

約数和(自身を除く): 32397026214

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 59, 78, 91, 118, 177, 182, 273, 354, 413, 546, 767, 826, 1239, 1534, 2301, 2478, 4602, 5369, 10738, 16107, 32214, 668999, 1337998, 2006997, 4013994, 4682993, 8696987, 9365986, 14048979, 17393974, 26090961, 28097958, 39470941, 52181922, 60878909, 78941882, 118412823, 121757818, 182636727, 236825646, 276296587, 365273454, 513122233, 552593174, 828889761, 1026244466, 1539366699, 1657779522, 3078733398, 3591855631, 7183711262, 10775566893, 21551133786]

約数ペア:

[(1, 21551133786), (2, 10775566893), (3, 7183711262), (6, 3591855631), (7, 3078733398), (13, 1657779522), (14, 1539366699), (21, 1026244466), (26, 828889761), (39, 552593174), (42, 513122233), (59, 365273454), (78, 276296587), (91, 236825646), (118, 182636727), (177, 121757818), (182, 118412823), (273, 78941882), (354, 60878909), (413, 52181922), (546, 39470941), (767, 28097958), (826, 26090961), (1239, 17393974), (1534, 14048979), (2301, 9365986), (2478, 8696987), (4602, 4682993), (5369, 4013994), (10738, 2006997), (16107, 1337998), (32214, 668999)]