21473475

素因数分解:

$3^1\times 5^2\times {\mathrm{89}}^1\times {\mathrm{3217}}^1$

素因数の和:3319

約数の個数: 24

約数和(自身を含む): 35912880

約数和(自身を除く): 14439405

約数列:

[1, 3, 5, 15, 25, 75, 89, 267, 445, 1335, 2225, 3217, 6675, 9651, 16085, 48255, 80425, 241275, 286313, 858939, 1431565, 4294695, 7157825, 21473475]

約数ペア:

[(1, 21473475), (3, 7157825), (5, 4294695), (15, 1431565), (25, 858939), (75, 286313), (89, 241275), (267, 80425), (445, 48255), (1335, 16085), (2225, 9651), (3217, 6675)]