21004592

素因数分解:

$2^4\times 7^1\times {\mathrm{167}}^1\times {\mathrm{1123}}^1$

素因数の和:1305

約数の個数: 40

約数和(自身を含む): 46830336

約数和(自身を除く): 25825744

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 167, 334, 668, 1123, 1169, 1336, 2246, 2338, 2672, 4492, 4676, 7861, 8984, 9352, 15722, 17968, 18704, 31444, 62888, 125776, 187541, 375082, 750164, 1312787, 1500328, 2625574, 3000656, 5251148, 10502296, 21004592]

約数ペア:

[(1, 21004592), (2, 10502296), (4, 5251148), (7, 3000656), (8, 2625574), (14, 1500328), (16, 1312787), (28, 750164), (56, 375082), (112, 187541), (167, 125776), (334, 62888), (668, 31444), (1123, 18704), (1169, 17968), (1336, 15722), (2246, 9352), (2338, 8984), (2672, 7861), (4492, 4676)]