21039690

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{100189}}^1$

素因数の和:100206

約数の個数: 32

約数和(自身を含む): 57709440

約数和(自身を除く): 36669750

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 100189, 200378, 300567, 500945, 601134, 701323, 1001890, 1402646, 1502835, 2103969, 3005670, 3506615, 4207938, 7013230, 10519845, 21039690]

約数ペア:

[(1, 21039690), (2, 10519845), (3, 7013230), (5, 4207938), (6, 3506615), (7, 3005670), (10, 2103969), (14, 1502835), (15, 1402646), (21, 1001890), (30, 701323), (35, 601134), (42, 500945), (70, 300567), (105, 200378), (210, 100189)]