21594033

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{173}}^1$

素因数の和:275

約数の個数: 40

約数和(自身を含む): 34360128

約数和(自身を除く): 12766095

約数列:

[1, 3, 9, 23, 27, 67, 69, 81, 173, 201, 207, 519, 603, 621, 1541, 1557, 1809, 1863, 3979, 4623, 4671, 5427, 11591, 11937, 13869, 14013, 34773, 35811, 41607, 104319, 107433, 124821, 266593, 312957, 322299, 799779, 938871, 2399337, 7198011, 21594033]

約数ペア:

[(1, 21594033), (3, 7198011), (9, 2399337), (23, 938871), (27, 799779), (67, 322299), (69, 312957), (81, 266593), (173, 124821), (201, 107433), (207, 104319), (519, 41607), (603, 35811), (621, 34773), (1541, 14013), (1557, 13869), (1809, 11937), (1863, 11591), (3979, 5427), (4623, 4671)]