21999328

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{52883}}^1$

素因数の和:52906

約数の個数: 24

約数和(自身を含む): 46643688

約数和(自身を除く): 24644360

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 52883, 105766, 211532, 423064, 687479, 846128, 1374958, 1692256, 2749916, 5499832, 10999664, 21999328]

約数ペア:

[(1, 21999328), (2, 10999664), (4, 5499832), (8, 2749916), (13, 1692256), (16, 1374958), (26, 846128), (32, 687479), (52, 423064), (104, 211532), (208, 105766), (416, 52883)]