21385124

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{191}}^1\times {\mathrm{1217}}^1$

素因数の和:1435

約数の個数: 24

約数和(自身を含む): 39287808

約数和(自身を除く): 17902684

約数列:

[1, 2, 4, 23, 46, 92, 191, 382, 764, 1217, 2434, 4393, 4868, 8786, 17572, 27991, 55982, 111964, 232447, 464894, 929788, 5346281, 10692562, 21385124]

約数ペア:

[(1, 21385124), (2, 10692562), (4, 5346281), (23, 929788), (46, 464894), (92, 232447), (191, 111964), (382, 55982), (764, 27991), (1217, 17572), (2434, 8786), (4393, 4868)]