21235065

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{74509}}^1$

素因数の和:74536

約数の個数: 16

約数和(自身を含む): 35764800

約数和(自身を除く): 14529735

約数列:

[1, 3, 5, 15, 19, 57, 95, 285, 74509, 223527, 372545, 1117635, 1415671, 4247013, 7078355, 21235065]

約数ペア:

[(1, 21235065), (3, 7078355), (5, 4247013), (15, 1415671), (19, 1117635), (57, 372545), (95, 223527), (285, 74509)]