21015183126

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{500361503}}^1$

素因数の和:500361515

約数の個数: 16

約数和(自身を含む): 48034704384

約数和(自身を除く): 27019521258

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 500361503, 1000723006, 1501084509, 3002169018, 3502530521, 7005061042, 10507591563, 21015183126]

約数ペア:

[(1, 21015183126), (2, 10507591563), (3, 7005061042), (6, 3502530521), (7, 3002169018), (14, 1501084509), (21, 1000723006), (42, 500361503)]