21250875

素因数分解:

$3^1\times 5^3\times {\mathrm{61}}^1\times {\mathrm{929}}^1$

素因数の和:1008

約数の個数: 32

約数和(自身を含む): 35979840

約数和(自身を除く): 14728965

約数列:

[1, 3, 5, 15, 25, 61, 75, 125, 183, 305, 375, 915, 929, 1525, 2787, 4575, 4645, 7625, 13935, 22875, 23225, 56669, 69675, 116125, 170007, 283345, 348375, 850035, 1416725, 4250175, 7083625, 21250875]

約数ペア:

[(1, 21250875), (3, 7083625), (5, 4250175), (15, 1416725), (25, 850035), (61, 348375), (75, 283345), (125, 170007), (183, 116125), (305, 69675), (375, 56669), (915, 23225), (929, 22875), (1525, 13935), (2787, 7625), (4575, 4645)]