21514040

素因数分解:

$2^3\times 5^1\times {\mathrm{593}}^1\times {\mathrm{907}}^1$

素因数の和:1511

約数の個数: 32

約数和(自身を含む): 48541680

約数和(自身を除く): 27027640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 593, 907, 1186, 1814, 2372, 2965, 3628, 4535, 4744, 5930, 7256, 9070, 11860, 18140, 23720, 36280, 537851, 1075702, 2151404, 2689255, 4302808, 5378510, 10757020, 21514040]

約数ペア:

[(1, 21514040), (2, 10757020), (4, 5378510), (5, 4302808), (8, 2689255), (10, 2151404), (20, 1075702), (40, 537851), (593, 36280), (907, 23720), (1186, 18140), (1814, 11860), (2372, 9070), (2965, 7256), (3628, 5930), (4535, 4744)]