21152637

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{1063}}^1$

素因数の和:1150

約数の個数: 32

約数和(自身を含む): 34728960

約数和(自身を除く): 13576323

約数列:

[1, 3, 9, 11, 27, 33, 67, 99, 201, 297, 603, 737, 1063, 1809, 2211, 3189, 6633, 9567, 11693, 19899, 28701, 35079, 71221, 105237, 213663, 315711, 640989, 783431, 1922967, 2350293, 7050879, 21152637]

約数ペア:

[(1, 21152637), (3, 7050879), (9, 2350293), (11, 1922967), (27, 783431), (33, 640989), (67, 315711), (99, 213663), (201, 105237), (297, 71221), (603, 35079), (737, 28701), (1063, 19899), (1809, 11693), (2211, 9567), (3189, 6633)]