21076065

素因数分解:

$3^3\times 5^1\times {\mathrm{156119}}^1$

素因数の和:156133

約数の個数: 16

約数和(自身を含む): 37468800

約数和(自身を除く): 16392735

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 156119, 468357, 780595, 1405071, 2341785, 4215213, 7025355, 21076065]

約数ペア:

[(1, 21076065), (3, 7025355), (5, 4215213), (9, 2341785), (15, 1405071), (27, 780595), (45, 468357), (135, 156119)]