21355610

素因数分解:

$2^1\times 5^1\times {\mathrm{457}}^1\times {\mathrm{4673}}^1$

素因数の和:5137

約数の個数: 16

約数和(自身を含む): 38532456

約数和(自身を除く): 17176846

約数列:

[1, 2, 5, 10, 457, 914, 2285, 4570, 4673, 9346, 23365, 46730, 2135561, 4271122, 10677805, 21355610]

約数ペア:

[(1, 21355610), (2, 10677805), (5, 4271122), (10, 2135561), (457, 46730), (914, 23365), (2285, 9346), (4570, 4673)]