21481394

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{16007}}^1$

素因数の和:16081

約数の個数: 16

約数和(自身を含む): 35729856

約数和(自身を除く): 14248462

約数列:

[1, 2, 11, 22, 61, 122, 671, 1342, 16007, 32014, 176077, 352154, 976427, 1952854, 10740697, 21481394]

約数ペア:

[(1, 21481394), (2, 10740697), (11, 1952854), (22, 976427), (61, 352154), (122, 176077), (671, 32014), (1342, 16007)]