21945375

素因数分解:

$3^2\times 5^3\times {\mathrm{19507}}^1$

素因数の和:19528

約数の個数: 24

約数和(自身を含む): 39562224

約数和(自身を除く): 17616849

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 125, 225, 375, 1125, 19507, 58521, 97535, 175563, 292605, 487675, 877815, 1463025, 2438375, 4389075, 7315125, 21945375]

約数ペア:

[(1, 21945375), (3, 7315125), (5, 4389075), (9, 2438375), (15, 1463025), (25, 877815), (45, 487675), (75, 292605), (125, 175563), (225, 97535), (375, 58521), (1125, 19507)]