21711930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{397}}^1\times {\mathrm{1823}}^1$

素因数の和:2230

約数の個数: 32

約数和(自身を含む): 52268544

約数和(自身を除く): 30556614

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 397, 794, 1191, 1823, 1985, 2382, 3646, 3970, 5469, 5955, 9115, 10938, 11910, 18230, 27345, 54690, 723731, 1447462, 2171193, 3618655, 4342386, 7237310, 10855965, 21711930]

約数ペア:

[(1, 21711930), (2, 10855965), (3, 7237310), (5, 4342386), (6, 3618655), (10, 2171193), (15, 1447462), (30, 723731), (397, 54690), (794, 27345), (1191, 18230), (1823, 11910), (1985, 10938), (2382, 9115), (3646, 5955), (3970, 5469)]