21468135

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1237}}^1$

素因数の和:1347

約数の個数: 32

約数和(自身を含む): 37437120

約数和(自身を除く): 15968985

約数列:

[1, 3, 5, 13, 15, 39, 65, 89, 195, 267, 445, 1157, 1237, 1335, 3471, 3711, 5785, 6185, 16081, 17355, 18555, 48243, 80405, 110093, 241215, 330279, 550465, 1431209, 1651395, 4293627, 7156045, 21468135]

約数ペア:

[(1, 21468135), (3, 7156045), (5, 4293627), (13, 1651395), (15, 1431209), (39, 550465), (65, 330279), (89, 241215), (195, 110093), (267, 80405), (445, 48243), (1157, 18555), (1237, 17355), (1335, 16081), (3471, 6185), (3711, 5785)]