21957760

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{3119}}^1$

素因数の和:3149

約数の個数: 64

約数和(自身を含む): 57283200

約数和(自身を除く): 35325440

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 320, 352, 440, 640, 704, 880, 1408, 1760, 3119, 3520, 6238, 7040, 12476, 15595, 24952, 31190, 34309, 49904, 62380, 68618, 99808, 124760, 137236, 171545, 199616, 249520, 274472, 343090, 399232, 499040, 548944, 686180, 998080, 1097888, 1372360, 1996160, 2195776, 2744720, 4391552, 5489440, 10978880, 21957760]

約数ペア:

[(1, 21957760), (2, 10978880), (4, 5489440), (5, 4391552), (8, 2744720), (10, 2195776), (11, 1996160), (16, 1372360), (20, 1097888), (22, 998080), (32, 686180), (40, 548944), (44, 499040), (55, 399232), (64, 343090), (80, 274472), (88, 249520), (110, 199616), (128, 171545), (160, 137236), (176, 124760), (220, 99808), (320, 68618), (352, 62380), (440, 49904), (640, 34309), (704, 31190), (880, 24952), (1408, 15595), (1760, 12476), (3119, 7040), (3520, 6238)]