21940281

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2383}}^1$

素因数の和:2434

約数の個数: 32

約数和(自身を含む): 36618240

約数和(自身を除く): 14677959

約数列:

[1, 3, 9, 11, 27, 31, 33, 93, 99, 279, 297, 341, 837, 1023, 2383, 3069, 7149, 9207, 21447, 26213, 64341, 73873, 78639, 221619, 235917, 664857, 707751, 812603, 1994571, 2437809, 7313427, 21940281]

約数ペア:

[(1, 21940281), (3, 7313427), (9, 2437809), (11, 1994571), (27, 812603), (31, 707751), (33, 664857), (93, 235917), (99, 221619), (279, 78639), (297, 73873), (341, 64341), (837, 26213), (1023, 21447), (2383, 9207), (3069, 7149)]