21408676

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{2399}}^1$

素因数の和:2523

約数の個数: 24

約数和(自身を含む): 39513600

約数和(自身を除く): 18104924

約数列:

[1, 2, 4, 23, 46, 92, 97, 194, 388, 2231, 2399, 4462, 4798, 8924, 9596, 55177, 110354, 220708, 232703, 465406, 930812, 5352169, 10704338, 21408676]

約数ペア:

[(1, 21408676), (2, 10704338), (4, 5352169), (23, 930812), (46, 465406), (92, 232703), (97, 220708), (194, 110354), (388, 55177), (2231, 9596), (2399, 8924), (4462, 4798)]