21484052

素因数分解:

$2^2\times {\mathrm{83}}^1\times {\mathrm{163}}^1\times {\mathrm{397}}^1$

素因数の和:647

約数の個数: 24

約数和(自身を含む): 38379936

約数和(自身を除く): 16895884

約数列:

[1, 2, 4, 83, 163, 166, 326, 332, 397, 652, 794, 1588, 13529, 27058, 32951, 54116, 64711, 65902, 129422, 131804, 258844, 5371013, 10742026, 21484052]

約数ペア:

[(1, 21484052), (2, 10742026), (4, 5371013), (83, 258844), (163, 131804), (166, 129422), (326, 65902), (332, 64711), (397, 54116), (652, 32951), (794, 27058), (1588, 13529)]