21069136.000000000

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{39703}}^1$

素因数の和:39726

約数の個数: 84

約数和(自身を含む): 393307824

約数和(自身を除く): 278963184

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, 39703, 79406, 119109, 158812, 198515, 238218, 317624, 357327, 397030, 476436, 595545, 635248, 714654, 794060, 952872, 1191090, 1270496, 1429308, 1588120, 1786635, 1905744, 2382180, 2540992, 2858616, 3176240, 3573270, 3811488, 4764360, 5717232, 6352480, 7146540, 7622976, 9528720, 11434464, 12704960, 14293080, 19057440, 22868928, 28586160, 38114880, 57172320, 114344640]

約数ペア:

[(1, 114344640), (2, 57172320), (3, 38114880), (4, 28586160), (5, 22868928), (6, 19057440), (8, 14293080), (9, 12704960), (10, 11434464), (12, 9528720), (15, 7622976), (16, 7146540), (18, 6352480), (20, 5717232), (24, 4764360), (30, 3811488), (32, 3573270), (36, 3176240), (40, 2858616), (45, 2540992), (48, 2382180), (60, 1905744), (64, 1786635), (72, 1588120), (80, 1429308), (90, 1270496), (96, 1191090), (120, 952872), (144, 794060), (160, 714654), (180, 635248), (192, 595545), (240, 476436), (288, 397030), (320, 357327), (360, 317624), (480, 238218), (576, 198515), (720, 158812), (960, 119109), (1440, 79406), (2880, 39703)]