21244215

素因数分解:

$3^1\times 5^1\times {\mathrm{373}}^1\times {\mathrm{3797}}^1$

素因数の和:4178

約数の個数: 16

約数和(自身を含む): 34090848

約数和(自身を除く): 12846633

約数列:

[1, 3, 5, 15, 373, 1119, 1865, 3797, 5595, 11391, 18985, 56955, 1416281, 4248843, 7081405, 21244215]

約数ペア:

[(1, 21244215), (3, 7081405), (5, 4248843), (15, 1416281), (373, 56955), (1119, 18985), (1865, 11391), (3797, 5595)]