21689096

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{18959}}^1$

素因数の和:18989

約数の個数: 32

約数和(自身を含む): 47779200

約数和(自身を除く): 26090104

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 572, 1144, 18959, 37918, 75836, 151672, 208549, 246467, 417098, 492934, 834196, 985868, 1668392, 1971736, 2711137, 5422274, 10844548, 21689096]

約数ペア:

[(1, 21689096), (2, 10844548), (4, 5422274), (8, 2711137), (11, 1971736), (13, 1668392), (22, 985868), (26, 834196), (44, 492934), (52, 417098), (88, 246467), (104, 208549), (143, 151672), (286, 75836), (572, 37918), (1144, 18959)]