21374133

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{787}}^1\times {\mathrm{823}}^1$

素因数の和:1624

約数の個数: 16

約数和(自身を含む): 31166976

約数和(自身を除く): 9792843

約数列:

[1, 3, 11, 33, 787, 823, 2361, 2469, 8657, 9053, 25971, 27159, 647701, 1943103, 7124711, 21374133]

約数ペア:

[(1, 21374133), (3, 7124711), (11, 1943103), (33, 647701), (787, 27159), (823, 25971), (2361, 9053), (2469, 8657)]