21827634489

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{541}}^1\times {\mathrm{12149}}^1$

素因数の和:12743

約数の個数: 40

約数和(自身を含む): 33466494600

約数和(自身を除く): 11638860111

約数列:

[1, 3, 9, 27, 41, 81, 123, 369, 541, 1107, 1623, 3321, 4869, 12149, 14607, 22181, 36447, 43821, 66543, 109341, 199629, 328023, 498109, 598887, 984069, 1494327, 1796661, 4482981, 6572609, 13448943, 19717827, 40346829, 59153481, 177460443, 269476969, 532381329, 808430907, 2425292721, 7275878163, 21827634489]

約数ペア:

[(1, 21827634489), (3, 7275878163), (9, 2425292721), (27, 808430907), (41, 532381329), (81, 269476969), (123, 177460443), (369, 59153481), (541, 40346829), (1107, 19717827), (1623, 13448943), (3321, 6572609), (4869, 4482981), (12149, 1796661), (14607, 1494327), (22181, 984069), (36447, 598887), (43821, 498109), (66543, 328023), (109341, 199629)]