21160064

素因数分解:

$2^7\times {\mathrm{165313}}^1$

素因数の和:165327

約数の個数: 16

約数和(自身を含む): 42155070

約数和(自身を除く): 20995006

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 165313, 330626, 661252, 1322504, 2645008, 5290016, 10580032, 21160064]

約数ペア:

[(1, 21160064), (2, 10580032), (4, 5290016), (8, 2645008), (16, 1322504), (32, 661252), (64, 330626), (128, 165313)]