21993392012

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{2389}}^1\times {\mathrm{4177}}^1$

素因数の和:6618

約数の個数: 48

約数和(自身を含む): 41938764000

約数和(自身を除く): 19945371988

約数列:

[1, 2, 4, 19, 29, 38, 58, 76, 116, 551, 1102, 2204, 2389, 4177, 4778, 8354, 9556, 16708, 45391, 69281, 79363, 90782, 121133, 138562, 158726, 181564, 242266, 277124, 317452, 484532, 1316339, 2301527, 2632678, 4603054, 5265356, 9206108, 9978853, 19957706, 39915412, 189598207, 289386737, 379196414, 578773474, 758392828, 1157546948, 5498348003, 10996696006, 21993392012]

約数ペア:

[(1, 21993392012), (2, 10996696006), (4, 5498348003), (19, 1157546948), (29, 758392828), (38, 578773474), (58, 379196414), (76, 289386737), (116, 189598207), (551, 39915412), (1102, 19957706), (2204, 9978853), (2389, 9206108), (4177, 5265356), (4778, 4603054), (8354, 2632678), (9556, 2301527), (16708, 1316339), (45391, 484532), (69281, 317452), (79363, 277124), (90782, 242266), (121133, 181564), (138562, 158726)]