21046320

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{29231}}^1$

素因数の和:29250

約数の個数: 60

約数和(自身を含む): 70682976

約数和(自身を除く): 49636656

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, 720, 29231, 58462, 87693, 116924, 146155, 175386, 233848, 263079, 292310, 350772, 438465, 467696, 526158, 584620, 701544, 876930, 1052316, 1169240, 1315395, 1403088, 1753860, 2104632, 2338480, 2630790, 3507720, 4209264, 5261580, 7015440, 10523160, 21046320]

約数ペア:

[(1, 21046320), (2, 10523160), (3, 7015440), (4, 5261580), (5, 4209264), (6, 3507720), (8, 2630790), (9, 2338480), (10, 2104632), (12, 1753860), (15, 1403088), (16, 1315395), (18, 1169240), (20, 1052316), (24, 876930), (30, 701544), (36, 584620), (40, 526158), (45, 467696), (48, 438465), (60, 350772), (72, 292310), (80, 263079), (90, 233848), (120, 175386), (144, 146155), (180, 116924), (240, 87693), (360, 58462), (720, 29231)]