21132510145

素因数分解:

$5^1\times {\mathrm{349}}^1\times {\mathrm{1259}}^1\times {\mathrm{9619}}^1$

素因数の和:11232

約数の個数: 16

約数和(自身を含む): 25454520000

約数和(自身を除く): 4322009855

約数列:

[1, 5, 349, 1259, 1745, 6295, 9619, 48095, 439391, 2196955, 3357031, 12110321, 16785155, 60551605, 4226502029, 21132510145]

約数ペア:

[(1, 21132510145), (5, 4226502029), (349, 60551605), (1259, 16785155), (1745, 12110321), (6295, 3357031), (9619, 2196955), (48095, 439391)]