21324541

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{1439}}^1$

素因数の和:1548

約数の個数: 16

約数和(自身を含む): 25574400

約数和(自身を除く): 4249859

約数列:

[1, 7, 29, 73, 203, 511, 1439, 2117, 10073, 14819, 41731, 105047, 292117, 735329, 3046363, 21324541]

約数ペア:

[(1, 21324541), (7, 3046363), (29, 735329), (73, 292117), (203, 105047), (511, 41731), (1439, 14819), (2117, 10073)]