21326585

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{491}}^1$

素因数の和:593

約数の個数: 32

約数和(自身を含む): 31456512

約数和(自身を除く): 10129927

約数列:

[1, 5, 7, 17, 35, 73, 85, 119, 365, 491, 511, 595, 1241, 2455, 2555, 3437, 6205, 8347, 8687, 17185, 35843, 41735, 43435, 58429, 179215, 250901, 292145, 609331, 1254505, 3046655, 4265317, 21326585]

約数ペア:

[(1, 21326585), (5, 4265317), (7, 3046655), (17, 1254505), (35, 609331), (73, 292145), (85, 250901), (119, 179215), (365, 58429), (491, 43435), (511, 41735), (595, 35843), (1241, 17185), (2455, 8687), (2555, 8347), (3437, 6205)]