21952810

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{8677}}^1$

素因数の和:8718

約数の個数: 32

約数和(自身を含む): 44986752

約数和(自身を除く): 23033942

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 506, 1265, 2530, 8677, 17354, 43385, 86770, 95447, 190894, 199571, 399142, 477235, 954470, 997855, 1995710, 2195281, 4390562, 10976405, 21952810]

約数ペア:

[(1, 21952810), (2, 10976405), (5, 4390562), (10, 2195281), (11, 1995710), (22, 997855), (23, 954470), (46, 477235), (55, 399142), (110, 199571), (115, 190894), (230, 95447), (253, 86770), (506, 43385), (1265, 17354), (2530, 8677)]