21804094

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{15823}}^1$

素因数の和:15891

約数の個数: 16

約数和(自身を含む): 35888832

約数和(自身を除く): 14084738

約数列:

[1, 2, 13, 26, 53, 106, 689, 1378, 15823, 31646, 205699, 411398, 838619, 1677238, 10902047, 21804094]

約数ペア:

[(1, 21804094), (2, 10902047), (13, 1677238), (26, 838619), (53, 411398), (106, 205699), (689, 31646), (1378, 15823)]