21188560

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{9133}}^1$

素因数の和:9175

約数の個数: 40

約数和(自身を含む): 50967720

約数和(自身を除く): 29779160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 9133, 18266, 36532, 45665, 73064, 91330, 146128, 182660, 264857, 365320, 529714, 730640, 1059428, 1324285, 2118856, 2648570, 4237712, 5297140, 10594280, 21188560]

約数ペア:

[(1, 21188560), (2, 10594280), (4, 5297140), (5, 4237712), (8, 2648570), (10, 2118856), (16, 1324285), (20, 1059428), (29, 730640), (40, 529714), (58, 365320), (80, 264857), (116, 182660), (145, 146128), (232, 91330), (290, 73064), (464, 45665), (580, 36532), (1160, 18266), (2320, 9133)]