21152595

素因数分解:

$3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{13691}}^1$

素因数の和:13802

約数の個数: 16

約数和(自身を含む): 34175232

約数和(自身を除く): 13022637

約数列:

[1, 3, 5, 15, 103, 309, 515, 1545, 13691, 41073, 68455, 205365, 1410173, 4230519, 7050865, 21152595]

約数ペア:

[(1, 21152595), (3, 7050865), (5, 4230519), (15, 1410173), (103, 205365), (309, 68455), (515, 41073), (1545, 13691)]