21231085280

素因数分解:

$2^5\times 5^1\times {\mathrm{89}}^1\times {\mathrm{263}}^1\times {\mathrm{5669}}^1$

素因数の和:6036

約数の個数: 96

約数和(自身を含む): 50923857600

約数和(自身を除く): 29692772320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 89, 160, 178, 263, 356, 445, 526, 712, 890, 1052, 1315, 1424, 1780, 2104, 2630, 2848, 3560, 4208, 5260, 5669, 7120, 8416, 10520, 11338, 14240, 21040, 22676, 23407, 28345, 42080, 45352, 46814, 56690, 90704, 93628, 113380, 117035, 181408, 187256, 226760, 234070, 374512, 453520, 468140, 504541, 749024, 907040, 936280, 1009082, 1490947, 1872560, 2018164, 2522705, 2981894, 3745120, 4036328, 5045410, 5963788, 7454735, 8072656, 10090820, 11927576, 14909470, 16145312, 20181640, 23855152, 29818940, 40363280, 47710304, 59637880, 80726560, 119275760, 132694283, 238551520, 265388566, 530777132, 663471415, 1061554264, 1326942830, 2123108528, 2653885660, 4246217056, 5307771320, 10615542640, 21231085280]

約数ペア:

[(1, 21231085280), (2, 10615542640), (4, 5307771320), (5, 4246217056), (8, 2653885660), (10, 2123108528), (16, 1326942830), (20, 1061554264), (32, 663471415), (40, 530777132), (80, 265388566), (89, 238551520), (160, 132694283), (178, 119275760), (263, 80726560), (356, 59637880), (445, 47710304), (526, 40363280), (712, 29818940), (890, 23855152), (1052, 20181640), (1315, 16145312), (1424, 14909470), (1780, 11927576), (2104, 10090820), (2630, 8072656), (2848, 7454735), (3560, 5963788), (4208, 5045410), (5260, 4036328), (5669, 3745120), (7120, 2981894), (8416, 2522705), (10520, 2018164), (11338, 1872560), (14240, 1490947), (21040, 1009082), (22676, 936280), (23407, 907040), (28345, 749024), (42080, 504541), (45352, 468140), (46814, 453520), (56690, 374512), (90704, 234070), (93628, 226760), (113380, 187256), (117035, 181408)]