21333195

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{36467}}^1$

素因数の和:36491

約数の個数: 24

約数和(自身を含む): 39823056

約数和(自身を除く): 18489861

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 36467, 109401, 182335, 328203, 474071, 547005, 1422213, 1641015, 2370355, 4266639, 7111065, 21333195]

約数ペア:

[(1, 21333195), (3, 7111065), (5, 4266639), (9, 2370355), (13, 1641015), (15, 1422213), (39, 547005), (45, 474071), (65, 328203), (117, 182335), (195, 109401), (585, 36467)]