21827463

素因数分解:

$3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{223}}^1$

素因数の和:371

約数の個数: 32

約数和(自身を含む): 34406400

約数和(自身を除く): 12578937

約数列:

[1, 3, 7, 21, 59, 79, 177, 223, 237, 413, 553, 669, 1239, 1561, 1659, 4661, 4683, 13157, 13983, 17617, 32627, 39471, 52851, 92099, 97881, 123319, 276297, 369957, 1039403, 3118209, 7275821, 21827463]

約数ペア:

[(1, 21827463), (3, 7275821), (7, 3118209), (21, 1039403), (59, 369957), (79, 276297), (177, 123319), (223, 97881), (237, 92099), (413, 52851), (553, 39471), (669, 32627), (1239, 17617), (1561, 13983), (1659, 13157), (4661, 4683)]