21607969

素因数分解:

${\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{311}}^1$

素因数の和:456

約数の個数: 16

約数和(自身を含む): 23677056

約数和(自身を除く): 2069087

約数列:

[1, 17, 61, 67, 311, 1037, 1139, 4087, 5287, 18971, 20837, 69479, 322507, 354229, 1271057, 21607969]

約数ペア:

[(1, 21607969), (17, 1271057), (61, 354229), (67, 322507), (311, 69479), (1037, 20837), (1139, 18971), (4087, 5287)]