21259232

素因数分解:

$2^5\times {\mathrm{61}}^1\times {\mathrm{10891}}^1$

素因数の和:10962

約数の個数: 24

約数和(自身を含む): 42544152

約数和(自身を除く): 21284920

約数列:

[1, 2, 4, 8, 16, 32, 61, 122, 244, 488, 976, 1952, 10891, 21782, 43564, 87128, 174256, 348512, 664351, 1328702, 2657404, 5314808, 10629616, 21259232]

約数ペア:

[(1, 21259232), (2, 10629616), (4, 5314808), (8, 2657404), (16, 1328702), (32, 664351), (61, 348512), (122, 174256), (244, 87128), (488, 43564), (976, 21782), (1952, 10891)]