21030296

素因数分解:

$2^3\times 7^1\times {\mathrm{283}}^1\times {\mathrm{1327}}^1$

素因数の和:1623

約数の個数: 32

約数和(自身を含む): 45258240

約数和(自身を除く): 24227944

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 283, 566, 1132, 1327, 1981, 2264, 2654, 3962, 5308, 7924, 9289, 10616, 15848, 18578, 37156, 74312, 375541, 751082, 1502164, 2628787, 3004328, 5257574, 10515148, 21030296]

約数ペア:

[(1, 21030296), (2, 10515148), (4, 5257574), (7, 3004328), (8, 2628787), (14, 1502164), (28, 751082), (56, 375541), (283, 74312), (566, 37156), (1132, 18578), (1327, 15848), (1981, 10616), (2264, 9289), (2654, 7924), (3962, 5308)]