21062880

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{14627}}^1$

素因数の和:14648

約数の個数: 72

約数和(自身を含む): 71881992

約数和(自身を除く): 50819112

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 14627, 29254, 43881, 58508, 73135, 87762, 117016, 131643, 146270, 175524, 219405, 234032, 263286, 292540, 351048, 438810, 468064, 526572, 585080, 658215, 702096, 877620, 1053144, 1170160, 1316430, 1404192, 1755240, 2106288, 2340320, 2632860, 3510480, 4212576, 5265720, 7020960, 10531440, 21062880]

約数ペア:

[(1, 21062880), (2, 10531440), (3, 7020960), (4, 5265720), (5, 4212576), (6, 3510480), (8, 2632860), (9, 2340320), (10, 2106288), (12, 1755240), (15, 1404192), (16, 1316430), (18, 1170160), (20, 1053144), (24, 877620), (30, 702096), (32, 658215), (36, 585080), (40, 526572), (45, 468064), (48, 438810), (60, 351048), (72, 292540), (80, 263286), (90, 234032), (96, 219405), (120, 175524), (144, 146270), (160, 131643), (180, 117016), (240, 87762), (288, 73135), (360, 58508), (480, 43881), (720, 29254), (1440, 14627)]