21189568

素因数分解:

$2^6\times {\mathrm{83}}^1\times {\mathrm{3989}}^1$

素因数の和:4084

約数の個数: 28

約数和(自身を含む): 42565320

約数和(自身を除く): 21375752

約数列:

[1, 2, 4, 8, 16, 32, 64, 83, 166, 332, 664, 1328, 2656, 3989, 5312, 7978, 15956, 31912, 63824, 127648, 255296, 331087, 662174, 1324348, 2648696, 5297392, 10594784, 21189568]

約数ペア:

[(1, 21189568), (2, 10594784), (4, 5297392), (8, 2648696), (16, 1324348), (32, 662174), (64, 331087), (83, 255296), (166, 127648), (332, 63824), (664, 31912), (1328, 15956), (2656, 7978), (3989, 5312)]