21472506

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{977}}^1$

素因数の和:1036

約数の個数: 64

約数和(自身を含む): 53516160

約数和(自身を除く): 32043654

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 37, 54, 66, 74, 99, 111, 198, 222, 297, 333, 407, 594, 666, 814, 977, 999, 1221, 1954, 1998, 2442, 2931, 3663, 5862, 7326, 8793, 10747, 10989, 17586, 21494, 21978, 26379, 32241, 36149, 52758, 64482, 72298, 96723, 108447, 193446, 216894, 290169, 325341, 397639, 580338, 650682, 795278, 976023, 1192917, 1952046, 2385834, 3578751, 7157502, 10736253, 21472506]

約数ペア:

[(1, 21472506), (2, 10736253), (3, 7157502), (6, 3578751), (9, 2385834), (11, 1952046), (18, 1192917), (22, 976023), (27, 795278), (33, 650682), (37, 580338), (54, 397639), (66, 325341), (74, 290169), (99, 216894), (111, 193446), (198, 108447), (222, 96723), (297, 72298), (333, 64482), (407, 52758), (594, 36149), (666, 32241), (814, 26379), (977, 21978), (999, 21494), (1221, 17586), (1954, 10989), (1998, 10747), (2442, 8793), (2931, 7326), (3663, 5862)]