20211554865

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{9901}}^1$

素因数の和:10090

約数の個数: 64

約数和(自身を含む): 34654781952

約数和(自身を除く): 14443227087

約数列:

[1, 3, 5, 15, 23, 61, 69, 97, 115, 183, 291, 305, 345, 485, 915, 1403, 1455, 2231, 4209, 5917, 6693, 7015, 9901, 11155, 17751, 21045, 29585, 29703, 33465, 49505, 88755, 136091, 148515, 227723, 408273, 603961, 680455, 683169, 960397, 1138615, 1811883, 2041365, 2881191, 3019805, 3415845, 4801985, 9059415, 13891103, 14405955, 22089131, 41673309, 58584217, 66267393, 69455515, 110445655, 175752651, 208366545, 292921085, 331336965, 878763255, 1347436991, 4042310973, 6737184955, 20211554865]

約数ペア:

[(1, 20211554865), (3, 6737184955), (5, 4042310973), (15, 1347436991), (23, 878763255), (61, 331336965), (69, 292921085), (97, 208366545), (115, 175752651), (183, 110445655), (291, 69455515), (305, 66267393), (345, 58584217), (485, 41673309), (915, 22089131), (1403, 14405955), (1455, 13891103), (2231, 9059415), (4209, 4801985), (5917, 3415845), (6693, 3019805), (7015, 2881191), (9901, 2041365), (11155, 1811883), (17751, 1138615), (21045, 960397), (29585, 683169), (29703, 680455), (33465, 603961), (49505, 408273), (88755, 227723), (136091, 148515)]