21514320

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{29881}}^1$

素因数の和:29900

約数の個数: 60

約数和(自身を含む): 72254676

約数和(自身を除く): 50740356

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, 29881, 59762, 89643, 119524, 149405, 179286, 239048, 268929, 298810, 358572, 448215, 478096, 537858, 597620, 717144, 896430, 1075716, 1195240, 1344645, 1434288, 1792860, 2151432, 2390480, 2689290, 3585720, 4302864, 5378580, 7171440, 10757160, 21514320]

約数ペア:

[(1, 21514320), (2, 10757160), (3, 7171440), (4, 5378580), (5, 4302864), (6, 3585720), (8, 2689290), (9, 2390480), (10, 2151432), (12, 1792860), (15, 1434288), (16, 1344645), (18, 1195240), (20, 1075716), (24, 896430), (30, 717144), (36, 597620), (40, 537858), (45, 478096), (48, 448215), (60, 358572), (72, 298810), (80, 268929), (90, 239048), (120, 179286), (144, 149405), (180, 119524), (240, 89643), (360, 59762), (720, 29881)]