21753945

素因数分解:

$3^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{2531}}^1$

素因数の和:2733

約数の個数: 24

約数和(自身を含む): 37919232

約数和(自身を除く): 16165287

約数列:

[1, 3, 5, 9, 15, 45, 191, 573, 955, 1719, 2531, 2865, 7593, 8595, 12655, 22779, 37965, 113895, 483421, 1450263, 2417105, 4350789, 7251315, 21753945]

約数ペア:

[(1, 21753945), (3, 7251315), (5, 4350789), (9, 2417105), (15, 1450263), (45, 483421), (191, 113895), (573, 37965), (955, 22779), (1719, 12655), (2531, 8595), (2865, 7593)]