21880383

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{509}}^1$

素因数の和:631

約数の個数: 32

約数和(自身を含む): 35251200

約数和(自身を除く): 13370817

約数列:

[1, 3, 7, 21, 23, 69, 89, 161, 267, 483, 509, 623, 1527, 1869, 2047, 3563, 6141, 10689, 11707, 14329, 35121, 42987, 45301, 81949, 135903, 245847, 317107, 951321, 1041923, 3125769, 7293461, 21880383]

約数ペア:

[(1, 21880383), (3, 7293461), (7, 3125769), (21, 1041923), (23, 951321), (69, 317107), (89, 245847), (161, 135903), (267, 81949), (483, 45301), (509, 42987), (623, 35121), (1527, 14329), (1869, 11707), (2047, 10689), (3563, 6141)]