21898228

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{13451}}^1$

素因数の和:13503

約数の個数: 24

約数和(自身を含む): 42938784

約数和(自身を除く): 21040556

約数列:

[1, 2, 4, 11, 22, 37, 44, 74, 148, 407, 814, 1628, 13451, 26902, 53804, 147961, 295922, 497687, 591844, 995374, 1990748, 5474557, 10949114, 21898228]

約数ペア:

[(1, 21898228), (2, 10949114), (4, 5474557), (11, 1990748), (22, 995374), (37, 591844), (44, 497687), (74, 295922), (148, 147961), (407, 53804), (814, 26902), (1628, 13451)]