21516462

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:159

約数の個数: 96

約数和(自身を含む): 54583200

約数和(自身を除く): 33066738

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 37, 54, 66, 74, 89, 99, 111, 121, 178, 198, 222, 242, 267, 297, 333, 363, 407, 534, 594, 666, 726, 801, 814, 979, 999, 1089, 1221, 1602, 1958, 1998, 2178, 2403, 2442, 2937, 3267, 3293, 3663, 4477, 4806, 5874, 6534, 6586, 7326, 8811, 8954, 9879, 10769, 10989, 13431, 17622, 19758, 21538, 21978, 26433, 26862, 29637, 32307, 36223, 40293, 52866, 59274, 64614, 72446, 80586, 88911, 96921, 108669, 120879, 177822, 193842, 217338, 241758, 290763, 326007, 398453, 581526, 652014, 796906, 978021, 1195359, 1956042, 2390718, 3586077, 7172154, 10758231, 21516462]

約数ペア:

[(1, 21516462), (2, 10758231), (3, 7172154), (6, 3586077), (9, 2390718), (11, 1956042), (18, 1195359), (22, 978021), (27, 796906), (33, 652014), (37, 581526), (54, 398453), (66, 326007), (74, 290763), (89, 241758), (99, 217338), (111, 193842), (121, 177822), (178, 120879), (198, 108669), (222, 96921), (242, 88911), (267, 80586), (297, 72446), (333, 64614), (363, 59274), (407, 52866), (534, 40293), (594, 36223), (666, 32307), (726, 29637), (801, 26862), (814, 26433), (979, 21978), (999, 21538), (1089, 19758), (1221, 17622), (1602, 13431), (1958, 10989), (1998, 10769), (2178, 9879), (2403, 8954), (2442, 8811), (2937, 7326), (3267, 6586), (3293, 6534), (3663, 5874), (4477, 4806)]