21781330208

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{251}}^1\times {\mathrm{8501}}^1$

素因数の和:8802

約数の個数: 96

約数和(自身を含む): 48591990720

約数和(自身を除く): 26810660512

約数列:

[1, 2, 4, 8, 11, 16, 22, 29, 32, 44, 58, 88, 116, 176, 232, 251, 319, 352, 464, 502, 638, 928, 1004, 1276, 2008, 2552, 2761, 4016, 5104, 5522, 7279, 8032, 8501, 10208, 11044, 14558, 17002, 22088, 29116, 34004, 44176, 58232, 68008, 80069, 88352, 93511, 116464, 136016, 160138, 187022, 232928, 246529, 272032, 320276, 374044, 493058, 640552, 748088, 986116, 1281104, 1496176, 1972232, 2133751, 2562208, 2711819, 2992352, 3944464, 4267502, 5423638, 7888928, 8535004, 10847276, 17070008, 21694552, 23471261, 34140016, 43389104, 46942522, 61878779, 68280032, 86778208, 93885044, 123757558, 187770088, 247515116, 375540176, 495030232, 680666569, 751080352, 990060464, 1361333138, 1980120928, 2722666276, 5445332552, 10890665104, 21781330208]

約数ペア:

[(1, 21781330208), (2, 10890665104), (4, 5445332552), (8, 2722666276), (11, 1980120928), (16, 1361333138), (22, 990060464), (29, 751080352), (32, 680666569), (44, 495030232), (58, 375540176), (88, 247515116), (116, 187770088), (176, 123757558), (232, 93885044), (251, 86778208), (319, 68280032), (352, 61878779), (464, 46942522), (502, 43389104), (638, 34140016), (928, 23471261), (1004, 21694552), (1276, 17070008), (2008, 10847276), (2552, 8535004), (2761, 7888928), (4016, 5423638), (5104, 4267502), (5522, 3944464), (7279, 2992352), (8032, 2711819), (8501, 2562208), (10208, 2133751), (11044, 1972232), (14558, 1496176), (17002, 1281104), (22088, 986116), (29116, 748088), (34004, 640552), (44176, 493058), (58232, 374044), (68008, 320276), (80069, 272032), (88352, 246529), (93511, 232928), (116464, 187022), (136016, 160138)]