21468287640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{178902397}}^1$

素因数の和:178902411

約数の個数: 32

約数和(自身を含む): 64404863280

約数和(自身を除く): 42936575640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 178902397, 357804794, 536707191, 715609588, 894511985, 1073414382, 1431219176, 1789023970, 2146828764, 2683535955, 3578047940, 4293657528, 5367071910, 7156095880, 10734143820, 21468287640]

約数ペア:

[(1, 21468287640), (2, 10734143820), (3, 7156095880), (4, 5367071910), (5, 4293657528), (6, 3578047940), (8, 2683535955), (10, 2146828764), (12, 1789023970), (15, 1431219176), (20, 1073414382), (24, 894511985), (30, 715609588), (40, 536707191), (60, 357804794), (120, 178902397)]