21032095

素因数分解:

$5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1$

素因数の和:307

約数の個数: 32

約数和(自身を含む): 30096000

約数和(自身を除く): 9063905

約数列:

[1, 5, 7, 35, 37, 109, 149, 185, 259, 545, 745, 763, 1043, 1295, 3815, 4033, 5215, 5513, 16241, 20165, 27565, 28231, 38591, 81205, 113687, 141155, 192955, 568435, 600917, 3004585, 4206419, 21032095]

約数ペア:

[(1, 21032095), (5, 4206419), (7, 3004585), (35, 600917), (37, 568435), (109, 192955), (149, 141155), (185, 113687), (259, 81205), (545, 38591), (745, 28231), (763, 27565), (1043, 20165), (1295, 16241), (3815, 5513), (4033, 5215)]