21468352

素因数分解:

$2^6\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{269}}^1$

素因数の和:353

約数の個数: 56

約数和(自身を含む): 45262800

約数和(自身を除く): 23794448

約数列:

[1, 2, 4, 8, 16, 29, 32, 43, 58, 64, 86, 116, 172, 232, 269, 344, 464, 538, 688, 928, 1076, 1247, 1376, 1856, 2152, 2494, 2752, 4304, 4988, 7801, 8608, 9976, 11567, 15602, 17216, 19952, 23134, 31204, 39904, 46268, 62408, 79808, 92536, 124816, 185072, 249632, 335443, 370144, 499264, 670886, 740288, 1341772, 2683544, 5367088, 10734176, 21468352]

約数ペア:

[(1, 21468352), (2, 10734176), (4, 5367088), (8, 2683544), (16, 1341772), (29, 740288), (32, 670886), (43, 499264), (58, 370144), (64, 335443), (86, 249632), (116, 185072), (172, 124816), (232, 92536), (269, 79808), (344, 62408), (464, 46268), (538, 39904), (688, 31204), (928, 23134), (1076, 19952), (1247, 17216), (1376, 15602), (1856, 11567), (2152, 9976), (2494, 8608), (2752, 7801), (4304, 4988)]