21037058

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{563}}^1$

素因数の和:746

約数の個数: 32

約数和(自身を含む): 38496384

約数和(自身を除く): 17459326

約数列:

[1, 2, 7, 14, 17, 34, 119, 157, 238, 314, 563, 1099, 1126, 2198, 2669, 3941, 5338, 7882, 9571, 18683, 19142, 37366, 66997, 88391, 133994, 176782, 618737, 1237474, 1502647, 3005294, 10518529, 21037058]

約数ペア:

[(1, 21037058), (2, 10518529), (7, 3005294), (14, 1502647), (17, 1237474), (34, 618737), (119, 176782), (157, 133994), (238, 88391), (314, 66997), (563, 37366), (1099, 19142), (1126, 18683), (2198, 9571), (2669, 7882), (3941, 5338)]