21352375

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{293}}^1$

素因数の和:372

約数の個数: 32

約数和(自身を含む): 29719872

約数和(自身を除く): 8367497

約数列:

[1, 5, 11, 25, 53, 55, 125, 265, 275, 293, 583, 1325, 1375, 1465, 2915, 3223, 6625, 7325, 14575, 15529, 16115, 36625, 72875, 77645, 80575, 170819, 388225, 402875, 854095, 1941125, 4270475, 21352375]

約数ペア:

[(1, 21352375), (5, 4270475), (11, 1941125), (25, 854095), (53, 402875), (55, 388225), (125, 170819), (265, 80575), (275, 77645), (293, 72875), (583, 36625), (1325, 16115), (1375, 15529), (1465, 14575), (2915, 7325), (3223, 6625)]