21694970

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{1181}}^1$

素因数の和:1366

約数の個数: 32

約数和(自身を含む): 42892416

約数和(自身を除く): 21197446

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 167, 334, 835, 1181, 1670, 1837, 2362, 3674, 5905, 9185, 11810, 12991, 18370, 25982, 64955, 129910, 197227, 394454, 986135, 1972270, 2169497, 4338994, 10847485, 21694970]

約数ペア:

[(1, 21694970), (2, 10847485), (5, 4338994), (10, 2169497), (11, 1972270), (22, 986135), (55, 394454), (110, 197227), (167, 129910), (334, 64955), (835, 25982), (1181, 18370), (1670, 12991), (1837, 11810), (2362, 9185), (3674, 5905)]