21964720

素因数分解:

$2^4\times 5^1\times {\mathrm{463}}^1\times {\mathrm{593}}^1$

素因数の和:1069

約数の個数: 40

約数和(自身を含む): 51264576

約数和(自身を除く): 29299856

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 463, 593, 926, 1186, 1852, 2315, 2372, 2965, 3704, 4630, 4744, 5930, 7408, 9260, 9488, 11860, 18520, 23720, 37040, 47440, 274559, 549118, 1098236, 1372795, 2196472, 2745590, 4392944, 5491180, 10982360, 21964720]

約数ペア:

[(1, 21964720), (2, 10982360), (4, 5491180), (5, 4392944), (8, 2745590), (10, 2196472), (16, 1372795), (20, 1098236), (40, 549118), (80, 274559), (463, 47440), (593, 37040), (926, 23720), (1186, 18520), (1852, 11860), (2315, 9488), (2372, 9260), (2965, 7408), (3704, 5930), (4630, 4744)]