21097083

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{229}}^1$

素因数の和:387

約数の個数: 32

約数和(自身を含む): 33384960

約数和(自身を除く): 12287877

約数列:

[1, 3, 7, 21, 41, 107, 123, 229, 287, 321, 687, 749, 861, 1603, 2247, 4387, 4809, 9389, 13161, 24503, 28167, 30709, 65723, 73509, 92127, 171521, 197169, 514563, 1004623, 3013869, 7032361, 21097083]

約数ペア:

[(1, 21097083), (3, 7032361), (7, 3013869), (21, 1004623), (41, 514563), (107, 197169), (123, 171521), (229, 92127), (287, 73509), (321, 65723), (687, 30709), (749, 28167), (861, 24503), (1603, 13161), (2247, 9389), (4387, 4809)]