21891737520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{601}}^1\times {\mathrm{50591}}^1$

素因数の和:51211

約数の個数: 120

約数和(自身を含む): 73643536512

約数和(自身を除く): 51751798992

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 601, 720, 1202, 1803, 2404, 3005, 3606, 4808, 5409, 6010, 7212, 9015, 9616, 10818, 12020, 14424, 18030, 21636, 24040, 27045, 28848, 36060, 43272, 48080, 50591, 54090, 72120, 86544, 101182, 108180, 144240, 151773, 202364, 216360, 252955, 303546, 404728, 432720, 455319, 505910, 607092, 758865, 809456, 910638, 1011820, 1214184, 1517730, 1821276, 2023640, 2276595, 2428368, 3035460, 3642552, 4047280, 4553190, 6070920, 7285104, 9106380, 12141840, 18212760, 30405191, 36425520, 60810382, 91215573, 121620764, 152025955, 182431146, 243241528, 273646719, 304051910, 364862292, 456077865, 486483056, 547293438, 608103820, 729724584, 912155730, 1094586876, 1216207640, 1368233595, 1459449168, 1824311460, 2189173752, 2432415280, 2736467190, 3648622920, 4378347504, 5472934380, 7297245840, 10945868760, 21891737520]

約数ペア:

[(1, 21891737520), (2, 10945868760), (3, 7297245840), (4, 5472934380), (5, 4378347504), (6, 3648622920), (8, 2736467190), (9, 2432415280), (10, 2189173752), (12, 1824311460), (15, 1459449168), (16, 1368233595), (18, 1216207640), (20, 1094586876), (24, 912155730), (30, 729724584), (36, 608103820), (40, 547293438), (45, 486483056), (48, 456077865), (60, 364862292), (72, 304051910), (80, 273646719), (90, 243241528), (120, 182431146), (144, 152025955), (180, 121620764), (240, 91215573), (360, 60810382), (601, 36425520), (720, 30405191), (1202, 18212760), (1803, 12141840), (2404, 9106380), (3005, 7285104), (3606, 6070920), (4808, 4553190), (5409, 4047280), (6010, 3642552), (7212, 3035460), (9015, 2428368), (9616, 2276595), (10818, 2023640), (12020, 1821276), (14424, 1517730), (18030, 1214184), (21636, 1011820), (24040, 910638), (27045, 809456), (28848, 758865), (36060, 607092), (43272, 505910), (48080, 455319), (50591, 432720), (54090, 404728), (72120, 303546), (86544, 252955), (101182, 216360), (108180, 202364), (144240, 151773)]