21042994

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{331}}^1$

素因数の和:598

約数の個数: 32

約数和(自身を含む): 38246400

約数和(自身を除く): 17203406

約数列:

[1, 2, 7, 14, 19, 38, 133, 239, 266, 331, 478, 662, 1673, 2317, 3346, 4541, 4634, 6289, 9082, 12578, 31787, 44023, 63574, 79109, 88046, 158218, 553763, 1107526, 1503071, 3006142, 10521497, 21042994]

約数ペア:

[(1, 21042994), (2, 10521497), (7, 3006142), (14, 1503071), (19, 1107526), (38, 553763), (133, 158218), (239, 88046), (266, 79109), (331, 63574), (478, 44023), (662, 31787), (1673, 12578), (2317, 9082), (3346, 6289), (4541, 4634)]