8021538

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{21221}}^1$

素因数の和:21239

約数の個数: 32

約数和(自身を含む): 20373120

約数和(自身を除く): 12351582

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 21221, 42442, 63663, 127326, 148547, 190989, 297094, 381978, 445641, 572967, 891282, 1145934, 1336923, 2673846, 4010769, 8021538]

約数ペア:

[(1, 8021538), (2, 4010769), (3, 2673846), (6, 1336923), (7, 1145934), (9, 891282), (14, 572967), (18, 445641), (21, 381978), (27, 297094), (42, 190989), (54, 148547), (63, 127326), (126, 63663), (189, 42442), (378, 21221)]