21984885

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12527}}^1$

素因数の和:12554

約数の個数: 32

約数和(自身を含む): 42094080

約数和(自身を除く): 20109195

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 117, 135, 195, 351, 585, 1755, 12527, 37581, 62635, 112743, 162851, 187905, 338229, 488553, 563715, 814255, 1465659, 1691145, 2442765, 4396977, 7328295, 21984885]

約数ペア:

[(1, 21984885), (3, 7328295), (5, 4396977), (9, 2442765), (13, 1691145), (15, 1465659), (27, 814255), (39, 563715), (45, 488553), (65, 338229), (117, 187905), (135, 162851), (195, 112743), (351, 62635), (585, 37581), (1755, 12527)]