21576072

素因数分解:

$2^3\times 3^1\times 7^3\times {\mathrm{2621}}^1$

素因数の和:2651

約数の個数: 64

約数和(自身を含む): 62928000

約数和(自身を除く): 41351928

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 49, 56, 84, 98, 147, 168, 196, 294, 343, 392, 588, 686, 1029, 1176, 1372, 2058, 2621, 2744, 4116, 5242, 7863, 8232, 10484, 15726, 18347, 20968, 31452, 36694, 55041, 62904, 73388, 110082, 128429, 146776, 220164, 256858, 385287, 440328, 513716, 770574, 899003, 1027432, 1541148, 1798006, 2697009, 3082296, 3596012, 5394018, 7192024, 10788036, 21576072]

約数ペア:

[(1, 21576072), (2, 10788036), (3, 7192024), (4, 5394018), (6, 3596012), (7, 3082296), (8, 2697009), (12, 1798006), (14, 1541148), (21, 1027432), (24, 899003), (28, 770574), (42, 513716), (49, 440328), (56, 385287), (84, 256858), (98, 220164), (147, 146776), (168, 128429), (196, 110082), (294, 73388), (343, 62904), (392, 55041), (588, 36694), (686, 31452), (1029, 20968), (1176, 18347), (1372, 15726), (2058, 10484), (2621, 8232), (2744, 7863), (4116, 5242)]