21236235

素因数分解:

$3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{23209}}^1$

素因数の和:23278

約数の個数: 16

約数和(自身を含む): 34536480

約数和(自身を除く): 13300245

約数列:

[1, 3, 5, 15, 61, 183, 305, 915, 23209, 69627, 116045, 348135, 1415749, 4247247, 7078745, 21236235]

約数ペア:

[(1, 21236235), (3, 7078745), (5, 4247247), (15, 1415749), (61, 348135), (183, 116045), (305, 69627), (915, 23209)]