21116337

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{659}}^1\times {\mathrm{971}}^1$

素因数の和:1644

約数の個数: 16

約数和(自身を含む): 30792960

約数和(自身を除く): 9676623

約数列:

[1, 3, 11, 33, 659, 971, 1977, 2913, 7249, 10681, 21747, 32043, 639889, 1919667, 7038779, 21116337]

約数ペア:

[(1, 21116337), (3, 7038779), (11, 1919667), (33, 639889), (659, 32043), (971, 21747), (1977, 10681), (2913, 7249)]