21484355.000000000

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{3511}}^1$

素因数の和:3617

約数の個数: 96

約数和(自身を含む): 369813600

約数和(自身を除く): 257321160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 89, 90, 120, 178, 180, 267, 356, 360, 445, 534, 712, 801, 890, 1068, 1335, 1602, 1780, 2136, 2670, 3204, 3511, 3560, 4005, 5340, 6408, 7022, 8010, 10533, 10680, 14044, 16020, 17555, 21066, 28088, 31599, 32040, 35110, 42132, 52665, 63198, 70220, 84264, 105330, 126396, 140440, 157995, 210660, 252792, 312479, 315990, 421320, 624958, 631980, 937437, 1249916, 1263960, 1562395, 1874874, 2499832, 2812311, 3124790, 3749748, 4687185, 5624622, 6249580, 7499496, 9374370, 11249244, 12499160, 14061555, 18748740, 22498488, 28123110, 37497480, 56246220, 112492440]

約数ペア:

[(1, 112492440), (2, 56246220), (3, 37497480), (4, 28123110), (5, 22498488), (6, 18748740), (8, 14061555), (9, 12499160), (10, 11249244), (12, 9374370), (15, 7499496), (18, 6249580), (20, 5624622), (24, 4687185), (30, 3749748), (36, 3124790), (40, 2812311), (45, 2499832), (60, 1874874), (72, 1562395), (89, 1263960), (90, 1249916), (120, 937437), (178, 631980), (180, 624958), (267, 421320), (356, 315990), (360, 312479), (445, 252792), (534, 210660), (712, 157995), (801, 140440), (890, 126396), (1068, 105330), (1335, 84264), (1602, 70220), (1780, 63198), (2136, 52665), (2670, 42132), (3204, 35110), (3511, 32040), (3560, 31599), (4005, 28088), (5340, 21066), (6408, 17555), (7022, 16020), (8010, 14044), (10533, 10680)]