21663884

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{21407}}^1$

素因数の和:21445

約数の個数: 24

約数和(自身を含む): 43158528

約数和(自身を除く): 21494644

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 92, 253, 506, 1012, 21407, 42814, 85628, 235477, 470954, 492361, 941908, 984722, 1969444, 5415971, 10831942, 21663884]

約数ペア:

[(1, 21663884), (2, 10831942), (4, 5415971), (11, 1969444), (22, 984722), (23, 941908), (44, 492361), (46, 470954), (92, 235477), (253, 85628), (506, 42814), (1012, 21407)]