21007438461

素因数分解:

$3^2\times {\mathrm{59}}^1\times {\mathrm{919}}^1\times {\mathrm{43049}}^1$

素因数の和:44033

約数の個数: 24

約数和(自身を含む): 30892680000

約数和(自身を除く): 9885241539

約数列:

[1, 3, 9, 59, 177, 531, 919, 2757, 8271, 43049, 54221, 129147, 162663, 387441, 487989, 2539891, 7619673, 22859019, 39562031, 118686093, 356058279, 2334159829, 7002479487, 21007438461]

約数ペア:

[(1, 21007438461), (3, 7002479487), (9, 2334159829), (59, 356058279), (177, 118686093), (531, 39562031), (919, 22859019), (2757, 7619673), (8271, 2539891), (43049, 487989), (54221, 387441), (129147, 162663)]