21261096

素因数分解:

$2^3\times 3^3\times {\mathrm{257}}^1\times {\mathrm{383}}^1$

素因数の和:655

約数の個数: 64

約数和(自身を含む): 59443200

約数和(自身を除く): 38182104

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 216, 257, 383, 514, 766, 771, 1028, 1149, 1532, 1542, 2056, 2298, 2313, 3064, 3084, 3447, 4596, 4626, 6168, 6894, 6939, 9192, 9252, 10341, 13788, 13878, 18504, 20682, 27576, 27756, 41364, 55512, 82728, 98431, 196862, 295293, 393724, 590586, 787448, 885879, 1181172, 1771758, 2362344, 2657637, 3543516, 5315274, 7087032, 10630548, 21261096]

約数ペア:

[(1, 21261096), (2, 10630548), (3, 7087032), (4, 5315274), (6, 3543516), (8, 2657637), (9, 2362344), (12, 1771758), (18, 1181172), (24, 885879), (27, 787448), (36, 590586), (54, 393724), (72, 295293), (108, 196862), (216, 98431), (257, 82728), (383, 55512), (514, 41364), (766, 27756), (771, 27576), (1028, 20682), (1149, 18504), (1532, 13878), (1542, 13788), (2056, 10341), (2298, 9252), (2313, 9192), (3064, 6939), (3084, 6894), (3447, 6168), (4596, 4626)]