21006145

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{2383}}^1$

素因数の和:2472

約数の個数: 16

約数和(自身を含む): 26433792

約数和(自身を除く): 5427647

約数列:

[1, 5, 41, 43, 205, 215, 1763, 2383, 8815, 11915, 97703, 102469, 488515, 512345, 4201229, 21006145]

約数ペア:

[(1, 21006145), (5, 4201229), (41, 512345), (43, 488515), (205, 102469), (215, 97703), (1763, 11915), (2383, 8815)]