21527142

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{443}}^1$

素因数の和:557

約数の個数: 64

約数和(自身を含む): 53706240

約数和(自身を除く): 32179098

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 89, 91, 178, 182, 267, 273, 443, 534, 546, 623, 886, 1157, 1246, 1329, 1869, 2314, 2658, 3101, 3471, 3738, 5759, 6202, 6942, 8099, 9303, 11518, 16198, 17277, 18606, 24297, 34554, 39427, 40313, 48594, 78854, 80626, 118281, 120939, 236562, 241878, 275989, 512551, 551978, 827967, 1025102, 1537653, 1655934, 3075306, 3587857, 7175714, 10763571, 21527142]

約数ペア:

[(1, 21527142), (2, 10763571), (3, 7175714), (6, 3587857), (7, 3075306), (13, 1655934), (14, 1537653), (21, 1025102), (26, 827967), (39, 551978), (42, 512551), (78, 275989), (89, 241878), (91, 236562), (178, 120939), (182, 118281), (267, 80626), (273, 78854), (443, 48594), (534, 40313), (546, 39427), (623, 34554), (886, 24297), (1157, 18606), (1246, 17277), (1329, 16198), (1869, 11518), (2314, 9303), (2658, 8099), (3101, 6942), (3471, 6202), (3738, 5759)]