21698640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{30137}}^1$

素因数の和:30156

約数の個数: 60

約数和(自身を含む): 72873684

約数和(自身を除く): 51175044

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, 30137, 60274, 90411, 120548, 150685, 180822, 241096, 271233, 301370, 361644, 452055, 482192, 542466, 602740, 723288, 904110, 1084932, 1205480, 1356165, 1446576, 1808220, 2169864, 2410960, 2712330, 3616440, 4339728, 5424660, 7232880, 10849320, 21698640]

約数ペア:

[(1, 21698640), (2, 10849320), (3, 7232880), (4, 5424660), (5, 4339728), (6, 3616440), (8, 2712330), (9, 2410960), (10, 2169864), (12, 1808220), (15, 1446576), (16, 1356165), (18, 1205480), (20, 1084932), (24, 904110), (30, 723288), (36, 602740), (40, 542466), (45, 482192), (48, 452055), (60, 361644), (72, 301370), (80, 271233), (90, 241096), (120, 180822), (144, 150685), (180, 120548), (240, 90411), (360, 60274), (720, 30137)]