21121362

素因数分解:

$2^1\times 3^2\times {\mathrm{97}}^1\times {\mathrm{12097}}^1$

素因数の和:12202

約数の個数: 24

約数和(自身を含む): 46238556

約数和(自身を除く): 25117194

約数列:

[1, 2, 3, 6, 9, 18, 97, 194, 291, 582, 873, 1746, 12097, 24194, 36291, 72582, 108873, 217746, 1173409, 2346818, 3520227, 7040454, 10560681, 21121362]

約数ペア:

[(1, 21121362), (2, 10560681), (3, 7040454), (6, 3520227), (9, 2346818), (18, 1173409), (97, 217746), (194, 108873), (291, 72582), (582, 36291), (873, 24194), (1746, 12097)]