21564675

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{8713}}^1$

素因数の和:8740

約数の個数: 36

約数和(自身を含む): 42140904

約数和(自身を除く): 20576229

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 75, 99, 165, 225, 275, 495, 825, 2475, 8713, 26139, 43565, 78417, 95843, 130695, 217825, 287529, 392085, 479215, 653475, 862587, 1437645, 1960425, 2396075, 4312935, 7188225, 21564675]

約数ペア:

[(1, 21564675), (3, 7188225), (5, 4312935), (9, 2396075), (11, 1960425), (15, 1437645), (25, 862587), (33, 653475), (45, 479215), (55, 392085), (75, 287529), (99, 217825), (165, 130695), (225, 95843), (275, 78417), (495, 43565), (825, 26139), (2475, 8713)]