21316160

素因数分解:

$2^6\times 5^1\times {\mathrm{29}}^1\times {\mathrm{2297}}^1$

素因数の和:2343

約数の個数: 56

約数和(自身を含む): 52532280

約数和(自身を除く): 31216120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 145, 160, 232, 290, 320, 464, 580, 928, 1160, 1856, 2297, 2320, 4594, 4640, 9188, 9280, 11485, 18376, 22970, 36752, 45940, 66613, 73504, 91880, 133226, 147008, 183760, 266452, 333065, 367520, 532904, 666130, 735040, 1065808, 1332260, 2131616, 2664520, 4263232, 5329040, 10658080, 21316160]

約数ペア:

[(1, 21316160), (2, 10658080), (4, 5329040), (5, 4263232), (8, 2664520), (10, 2131616), (16, 1332260), (20, 1065808), (29, 735040), (32, 666130), (40, 532904), (58, 367520), (64, 333065), (80, 266452), (116, 183760), (145, 147008), (160, 133226), (232, 91880), (290, 73504), (320, 66613), (464, 45940), (580, 36752), (928, 22970), (1160, 18376), (1856, 11485), (2297, 9280), (2320, 9188), (4594, 4640)]