21103401

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{9007}}^1$

素因数の和:9092

約数の個数: 16

約数和(自身を含む): 31131648

約数和(自身を除く): 10028247

約数列:

[1, 3, 11, 33, 71, 213, 781, 2343, 9007, 27021, 99077, 297231, 639497, 1918491, 7034467, 21103401]

約数ペア:

[(1, 21103401), (3, 7034467), (11, 1918491), (33, 639497), (71, 297231), (213, 99077), (781, 27021), (2343, 9007)]