21671248320

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{7524739}}^1$

素因数の和:7524762

約数の個数: 84

約数和(自身を含む): 74540074440

約数和(自身を除く): 52868826120

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, 64, 72, 80, 90, 96, 120, 144, 160, 180, 192, 240, 288, 320, 360, 480, 576, 720, 960, 1440, 2880, 7524739, 15049478, 22574217, 30098956, 37623695, 45148434, 60197912, 67722651, 75247390, 90296868, 112871085, 120395824, 135445302, 150494780, 180593736, 225742170, 240791648, 270890604, 300989560, 338613255, 361187472, 451484340, 481583296, 541781208, 601979120, 677226510, 722374944, 902968680, 1083562416, 1203958240, 1354453020, 1444749888, 1805937360, 2167124832, 2407916480, 2708906040, 3611874720, 4334249664, 5417812080, 7223749440, 10835624160, 21671248320]

約数ペア:

[(1, 21671248320), (2, 10835624160), (3, 7223749440), (4, 5417812080), (5, 4334249664), (6, 3611874720), (8, 2708906040), (9, 2407916480), (10, 2167124832), (12, 1805937360), (15, 1444749888), (16, 1354453020), (18, 1203958240), (20, 1083562416), (24, 902968680), (30, 722374944), (32, 677226510), (36, 601979120), (40, 541781208), (45, 481583296), (48, 451484340), (60, 361187472), (64, 338613255), (72, 300989560), (80, 270890604), (90, 240791648), (96, 225742170), (120, 180593736), (144, 150494780), (160, 135445302), (180, 120395824), (192, 112871085), (240, 90296868), (288, 75247390), (320, 67722651), (360, 60197912), (480, 45148434), (576, 37623695), (720, 30098956), (960, 22574217), (1440, 15049478), (2880, 7524739)]