21517296

素因数分解:

$2^4\times 3^1\times {\mathrm{191}}^1\times {\mathrm{2347}}^1$

素因数の和:2549

約数の個数: 40

約数和(自身を含む): 55901184

約数和(自身を除く): 34383888

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 191, 382, 573, 764, 1146, 1528, 2292, 2347, 3056, 4584, 4694, 7041, 9168, 9388, 14082, 18776, 28164, 37552, 56328, 112656, 448277, 896554, 1344831, 1793108, 2689662, 3586216, 5379324, 7172432, 10758648, 21517296]

約数ペア:

[(1, 21517296), (2, 10758648), (3, 7172432), (4, 5379324), (6, 3586216), (8, 2689662), (12, 1793108), (16, 1344831), (24, 896554), (48, 448277), (191, 112656), (382, 56328), (573, 37552), (764, 28164), (1146, 18776), (1528, 14082), (2292, 9388), (2347, 9168), (3056, 7041), (4584, 4694)]