21223118829

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{91757}}^1$

素因数の和:91977

約数の個数: 32

約数和(自身を含む): 31782034944

約数和(自身を除く): 10558916115

約数列:

[1, 3, 11, 33, 43, 129, 163, 473, 489, 1419, 1793, 5379, 7009, 21027, 77099, 91757, 231297, 275271, 1009327, 3027981, 3945551, 11836653, 14956391, 43401061, 44869173, 130203183, 164520301, 493560903, 643124813, 1929374439, 7074372943, 21223118829]

約数ペア:

[(1, 21223118829), (3, 7074372943), (11, 1929374439), (33, 643124813), (43, 493560903), (129, 164520301), (163, 130203183), (473, 44869173), (489, 43401061), (1419, 14956391), (1793, 11836653), (5379, 3945551), (7009, 3027981), (21027, 1009327), (77099, 275271), (91757, 231297)]